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Finding the Fourth Proportional to 234,753.31, 323,966.90 and 132,776.78

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Solution

The fourth proportional to 234,753.31, 323,966.90 and 132,776.78 is: 183,236.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,753.31 : 323,966.90 = 132,776.78 : x
  2. Step 2: Convert to fraction form
    234,753.31/323,966.90 = 132,776.78/x
  3. Step 3: Cross multiply
    234,753.31x = 323,966.90 × 132,776.78
  4. Step 4: Simplify right side
    234,753.31x = 43,015,281,808.58
  5. Step 5: Solve for x
    x = 43,015,281,808.58/234,753.31
  6. Step 6: Final answer
    x = 183,236.10

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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.