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Finding the Fourth Proportional to 104,402.88, 156,595.88 and 29,520

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Solution

The fourth proportional to 104,402.88, 156,595.88 and 29,520 is: 44,277.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,402.88 : 156,595.88 = 29,520 : x
  2. Step 2: Convert to fraction form
    104,402.88/156,595.88 = 29,520/x
  3. Step 3: Cross multiply
    104,402.88x = 156,595.88 × 29,520
  4. Step 4: Simplify right side
    104,402.88x = 4,622,710,377.60
  5. Step 5: Solve for x
    x = 4,622,710,377.60/104,402.88
  6. Step 6: Final answer
    x = 44,277.61

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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.