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Finding the Fourth Proportional to 35,229,781.70, 52,844,672.55 and 20,113,237.70

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Solution

The fourth proportional to 35,229,781.70, 52,844,672.55 and 20,113,237.70 is: 30,169,856.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,229,781.70 : 52,844,672.55 = 20,113,237.70 : x
  2. Step 2: Convert to fraction form
    35,229,781.70/52,844,672.55 = 20,113,237.70/x
  3. Step 3: Cross multiply
    35,229,781.70x = 52,844,672.55 × 20,113,237.70
  4. Step 4: Simplify right side
    35,229,781.70x = 1,062,877,460,176,815
  5. Step 5: Solve for x
    x = 1,062,877,460,176,815/35,229,781.70
  6. Step 6: Final answer
    x = 30,169,856.55

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Similar ratio
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.