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Finding the Fourth Proportional to 104,753.60, 156,957.60 and 89,201.60

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Solution

The fourth proportional to 104,753.60, 156,957.60 and 89,201.60 is: 133,655.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,753.60 : 156,957.60 = 89,201.60 : x
  2. Step 2: Convert to fraction form
    104,753.60/156,957.60 = 89,201.60/x
  3. Step 3: Cross multiply
    104,753.60x = 156,957.60 × 89,201.60
  4. Step 4: Simplify right side
    104,753.60x = 14,000,869,052.16
  5. Step 5: Solve for x
    x = 14,000,869,052.16/104,753.60
  6. Step 6: Final answer
    x = 133,655.25

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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.