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Finding the Fourth Proportional to 104,569, 156,784.15 and 38,001.22

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Solution

The fourth proportional to 104,569, 156,784.15 and 38,001.22 is: 56,976.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,569 : 156,784.15 = 38,001.22 : x
  2. Step 2: Convert to fraction form
    104,569/156,784.15 = 38,001.22/x
  3. Step 3: Cross multiply
    104,569x = 156,784.15 × 38,001.22
  4. Step 4: Simplify right side
    104,569x = 5,957,988,976.66
  5. Step 5: Solve for x
    x = 5,957,988,976.66/104,569
  6. Step 6: Final answer
    x = 56,976.63

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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.