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Finding the Fourth Proportional to 104,295.47, 156,350.41 and 37,720.79

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Solution

The fourth proportional to 104,295.47, 156,350.41 and 37,720.79 is: 56,547.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,295.47 : 156,350.41 = 37,720.79 : x
  2. Step 2: Convert to fraction form
    104,295.47/156,350.41 = 37,720.79/x
  3. Step 3: Cross multiply
    104,295.47x = 156,350.41 × 37,720.79
  4. Step 4: Simplify right side
    104,295.47x = 5,897,660,105.97
  5. Step 5: Solve for x
    x = 5,897,660,105.97/104,295.47
  6. Step 6: Final answer
    x = 56,547.62

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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.