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Finding the Fourth Proportional to 104,282.68, 156,420.96 and 25,395.76

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Solution

The fourth proportional to 104,282.68, 156,420.96 and 25,395.76 is: 38,092.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,282.68 : 156,420.96 = 25,395.76 : x
  2. Step 2: Convert to fraction form
    104,282.68/156,420.96 = 25,395.76/x
  3. Step 3: Cross multiply
    104,282.68x = 156,420.96 × 25,395.76
  4. Step 4: Simplify right side
    104,282.68x = 3,972,429,159.13
  5. Step 5: Solve for x
    x = 3,972,429,159.13/104,282.68
  6. Step 6: Final answer
    x = 38,092.89

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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.