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Finding the Fourth Proportional to 104,470.54, 156,685.74 and 29,572.60

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Solution

The fourth proportional to 104,470.54, 156,685.74 and 29,572.60 is: 44,353.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,470.54 : 156,685.74 = 29,572.60 : x
  2. Step 2: Convert to fraction form
    104,470.54/156,685.74 = 29,572.60/x
  3. Step 3: Cross multiply
    104,470.54x = 156,685.74 × 29,572.60
  4. Step 4: Simplify right side
    104,470.54x = 4,633,604,714.72
  5. Step 5: Solve for x
    x = 4,633,604,714.72/104,470.54
  6. Step 6: Final answer
    x = 44,353.22

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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.