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Finding the Fourth Proportional to 239,893.88, 331,058.72 and 132,470.76

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Solution

The fourth proportional to 239,893.88, 331,058.72 and 132,470.76 is: 182,812.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,893.88 : 331,058.72 = 132,470.76 : x
  2. Step 2: Convert to fraction form
    239,893.88/331,058.72 = 132,470.76/x
  3. Step 3: Cross multiply
    239,893.88x = 331,058.72 × 132,470.76
  4. Step 4: Simplify right side
    239,893.88x = 43,855,600,243.03
  5. Step 5: Solve for x
    x = 43,855,600,243.03/239,893.88
  6. Step 6: Final answer
    x = 182,812.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.