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Finding the Fourth Proportional to 104,077.67, 156,123.45 and 36,601.61

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Solution

The fourth proportional to 104,077.67, 156,123.45 and 36,601.61 is: 54,904.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,077.67 : 156,123.45 = 36,601.61 : x
  2. Step 2: Convert to fraction form
    104,077.67/156,123.45 = 36,601.61/x
  3. Step 3: Cross multiply
    104,077.67x = 156,123.45 × 36,601.61
  4. Step 4: Simplify right side
    104,077.67x = 5,714,368,848.14
  5. Step 5: Solve for x
    x = 5,714,368,848.14/104,077.67
  6. Step 6: Final answer
    x = 54,904.85

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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.