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Finding the Fourth Proportional to 104,235.61, 156,357.17 and 29,362.30

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Solution

The fourth proportional to 104,235.61, 156,357.17 and 29,362.30 is: 44,044.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,235.61 : 156,357.17 = 29,362.30 : x
  2. Step 2: Convert to fraction form
    104,235.61/156,357.17 = 29,362.30/x
  3. Step 3: Cross multiply
    104,235.61x = 156,357.17 × 29,362.30
  4. Step 4: Simplify right side
    104,235.61x = 4,591,005,828.97
  5. Step 5: Solve for x
    x = 4,591,005,828.97/104,235.61
  6. Step 6: Final answer
    x = 44,044.51

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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.