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Finding the Fourth Proportional to 239,663.61, 330,733.94 and 132,238.17

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Solution

The fourth proportional to 239,663.61, 330,733.94 and 132,238.17 is: 182,487.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,663.61 : 330,733.94 = 132,238.17 : x
  2. Step 2: Convert to fraction form
    239,663.61/330,733.94 = 132,238.17/x
  3. Step 3: Cross multiply
    239,663.61x = 330,733.94 × 132,238.17
  4. Step 4: Simplify right side
    239,663.61x = 43,735,650,321.30
  5. Step 5: Solve for x
    x = 43,735,650,321.30/239,663.61
  6. Step 6: Final answer
    x = 182,487.66

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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.