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Finding the Fourth Proportional to 104,113.64, 156,104.84 and 88,324.22

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Solution

The fourth proportional to 104,113.64, 156,104.84 and 88,324.22 is: 132,430.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,113.64 : 156,104.84 = 88,324.22 : x
  2. Step 2: Convert to fraction form
    104,113.64/156,104.84 = 88,324.22/x
  3. Step 3: Cross multiply
    104,113.64x = 156,104.84 × 88,324.22
  4. Step 4: Simplify right side
    104,113.64x = 13,787,838,842.30
  5. Step 5: Solve for x
    x = 13,787,838,842.30/104,113.64
  6. Step 6: Final answer
    x = 132,430.66

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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.