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Finding the Fourth Proportional to 239,484, 330,501.84 and 132,076.88

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Solution

The fourth proportional to 239,484, 330,501.84 and 132,076.88 is: 182,273.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,484 : 330,501.84 = 132,076.88 : x
  2. Step 2: Convert to fraction form
    239,484/330,501.84 = 132,076.88/x
  3. Step 3: Cross multiply
    239,484x = 330,501.84 × 132,076.88
  4. Step 4: Simplify right side
    239,484x = 43,651,651,861.46
  5. Step 5: Solve for x
    x = 43,651,651,861.46/239,484
  6. Step 6: Final answer
    x = 182,273.77

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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.