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Finding the Fourth Proportional to 104,294.71, 156,349.28 and 37,720.04

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Solution

The fourth proportional to 104,294.71, 156,349.28 and 37,720.04 is: 56,546.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,294.71 : 156,349.28 = 37,720.04 : x
  2. Step 2: Convert to fraction form
    104,294.71/156,349.28 = 37,720.04/x
  3. Step 3: Cross multiply
    104,294.71x = 156,349.28 × 37,720.04
  4. Step 4: Simplify right side
    104,294.71x = 5,897,500,408.12
  5. Step 5: Solve for x
    x = 5,897,500,408.12/104,294.71
  6. Step 6: Final answer
    x = 56,546.50

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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.