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Finding the Fourth Proportional to 437,335.79, 656,001.06 and 113,123.90

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Solution

The fourth proportional to 437,335.79, 656,001.06 and 113,123.90 is: 169,685.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,335.79 : 656,001.06 = 113,123.90 : x
  2. Step 2: Convert to fraction form
    437,335.79/656,001.06 = 113,123.90/x
  3. Step 3: Cross multiply
    437,335.79x = 656,001.06 × 113,123.90
  4. Step 4: Simplify right side
    437,335.79x = 74,209,395,031.33
  5. Step 5: Solve for x
    x = 74,209,395,031.33/437,335.79
  6. Step 6: Final answer
    x = 169,685.17

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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.