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Finding the Fourth Proportional to 372,650.71, 559,103.64 and 159,330.73

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Solution

The fourth proportional to 372,650.71, 559,103.64 and 159,330.73 is: 239,050.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,650.71 : 559,103.64 = 159,330.73 : x
  2. Step 2: Convert to fraction form
    372,650.71/559,103.64 = 159,330.73/x
  3. Step 3: Cross multiply
    372,650.71x = 559,103.64 × 159,330.73
  4. Step 4: Simplify right side
    372,650.71x = 89,082,391,106.86
  5. Step 5: Solve for x
    x = 89,082,391,106.86/372,650.71
  6. Step 6: Final answer
    x = 239,050.64

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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.