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Finding the Fourth Proportional to 372,652.71, 559,106.64 and 159,332.73

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Solution

The fourth proportional to 372,652.71, 559,106.64 and 159,332.73 is: 239,053.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,652.71 : 559,106.64 = 159,332.73 : x
  2. Step 2: Convert to fraction form
    372,652.71/559,106.64 = 159,332.73/x
  3. Step 3: Cross multiply
    372,652.71x = 559,106.64 × 159,332.73
  4. Step 4: Simplify right side
    372,652.71x = 89,083,987,312.33
  5. Step 5: Solve for x
    x = 89,083,987,312.33/372,652.71
  6. Step 6: Final answer
    x = 239,053.64

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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.