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Finding the Fourth Proportional to 239,901.46, 359,458.32 and 82,043.80

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Solution

The fourth proportional to 239,901.46, 359,458.32 and 82,043.80 is: 122,931.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,901.46 : 359,458.32 = 82,043.80 : x
  2. Step 2: Convert to fraction form
    239,901.46/359,458.32 = 82,043.80/x
  3. Step 3: Cross multiply
    239,901.46x = 359,458.32 × 82,043.80
  4. Step 4: Simplify right side
    239,901.46x = 29,491,326,514.42
  5. Step 5: Solve for x
    x = 29,491,326,514.42/239,901.46
  6. Step 6: Final answer
    x = 122,931.00

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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.