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Finding the Fourth Proportional to 365,429.92, 548,239.20 and 112,704.70

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Solution

The fourth proportional to 365,429.92, 548,239.20 and 112,704.70 is: 169,086.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,429.92 : 548,239.20 = 112,704.70 : x
  2. Step 2: Convert to fraction form
    365,429.92/548,239.20 = 112,704.70/x
  3. Step 3: Cross multiply
    365,429.92x = 548,239.20 × 112,704.70
  4. Step 4: Simplify right side
    365,429.92x = 61,789,134,564.24
  5. Step 5: Solve for x
    x = 61,789,134,564.24/365,429.92
  6. Step 6: Final answer
    x = 169,086.14

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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.