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Finding the Fourth Proportional to 104,265.76, 156,398.16 and 73,239.52

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Solution

The fourth proportional to 104,265.76, 156,398.16 and 73,239.52 is: 109,858.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,265.76 : 156,398.16 = 73,239.52 : x
  2. Step 2: Convert to fraction form
    104,265.76/156,398.16 = 73,239.52/x
  3. Step 3: Cross multiply
    104,265.76x = 156,398.16 × 73,239.52
  4. Step 4: Simplify right side
    104,265.76x = 11,454,526,167.28
  5. Step 5: Solve for x
    x = 11,454,526,167.28/104,265.76
  6. Step 6: Final answer
    x = 109,858.94

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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.