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Finding the Fourth Proportional to 134,953, 202,291.26 and 56,113

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Solution

The fourth proportional to 134,953, 202,291.26 and 56,113 is: 84,112.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,953 : 202,291.26 = 56,113 : x
  2. Step 2: Convert to fraction form
    134,953/202,291.26 = 56,113/x
  3. Step 3: Cross multiply
    134,953x = 202,291.26 × 56,113
  4. Step 4: Simplify right side
    134,953x = 11,351,169,472.38
  5. Step 5: Solve for x
    x = 11,351,169,472.38/134,953
  6. Step 6: Final answer
    x = 84,112.02

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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.