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Finding the Fourth Proportional to 336,061.60, 504,092.41 and 99,385.85

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Solution

The fourth proportional to 336,061.60, 504,092.41 and 99,385.85 is: 149,078.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,061.60 : 504,092.41 = 99,385.85 : x
  2. Step 2: Convert to fraction form
    336,061.60/504,092.41 = 99,385.85/x
  3. Step 3: Cross multiply
    336,061.60x = 504,092.41 × 99,385.85
  4. Step 4: Simplify right side
    336,061.60x = 50,099,653,658.16
  5. Step 5: Solve for x
    x = 50,099,653,658.16/336,061.60
  6. Step 6: Final answer
    x = 149,078.78

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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.