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Finding the Fourth Proportional to 159,932.40, 239,898.90 and 41,603.55

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Solution

The fourth proportional to 159,932.40, 239,898.90 and 41,603.55 is: 62,405.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,932.40 : 239,898.90 = 41,603.55 : x
  2. Step 2: Convert to fraction form
    159,932.40/239,898.90 = 41,603.55/x
  3. Step 3: Cross multiply
    159,932.40x = 239,898.90 × 41,603.55
  4. Step 4: Simplify right side
    159,932.40x = 9,980,644,903.47
  5. Step 5: Solve for x
    x = 9,980,644,903.47/159,932.40
  6. Step 6: Final answer
    x = 62,405.40

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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.