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Finding the Fourth Proportional to 59,104.80, 88,635.60 and 19,663.20

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Solution

The fourth proportional to 59,104.80, 88,635.60 and 19,663.20 is: 29,487.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,104.80 : 88,635.60 = 19,663.20 : x
  2. Step 2: Convert to fraction form
    59,104.80/88,635.60 = 19,663.20/x
  3. Step 3: Cross multiply
    59,104.80x = 88,635.60 × 19,663.20
  4. Step 4: Simplify right side
    59,104.80x = 1,742,859,529.92
  5. Step 5: Solve for x
    x = 1,742,859,529.92/59,104.80
  6. Step 6: Final answer
    x = 29,487.61

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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.