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Finding the Fourth Proportional to 149,774,515.60, 210,288,983.60 and 149,774,515.60

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Solution

The fourth proportional to 149,774,515.60, 210,288,983.60 and 149,774,515.60 is: 210,288,983.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,774,515.60 : 210,288,983.60 = 149,774,515.60 : x
  2. Step 2: Convert to fraction form
    149,774,515.60/210,288,983.60 = 149,774,515.60/x
  3. Step 3: Cross multiply
    149,774,515.60x = 210,288,983.60 × 149,774,515.60
  4. Step 4: Simplify right side
    149,774,515.60x = 31,495,930,654,706,344
  5. Step 5: Solve for x
    x = 31,495,930,654,706,344/149,774,515.60
  6. Step 6: Final answer
    x = 210,288,983.60

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.