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Finding the Fourth Proportional to 104,323.52, 156,491.04 and 41,985.92

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Solution

The fourth proportional to 104,323.52, 156,491.04 and 41,985.92 is: 62,981.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,323.52 : 156,491.04 = 41,985.92 : x
  2. Step 2: Convert to fraction form
    104,323.52/156,491.04 = 41,985.92/x
  3. Step 3: Cross multiply
    104,323.52x = 156,491.04 × 41,985.92
  4. Step 4: Simplify right side
    104,323.52x = 6,570,420,286.16
  5. Step 5: Solve for x
    x = 6,570,420,286.16/104,323.52
  6. Step 6: Final answer
    x = 62,981.20

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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.