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Finding the Fourth Proportional to 186,502.53, 279,753.57 and 86,608.11

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Solution

The fourth proportional to 186,502.53, 279,753.57 and 86,608.11 is: 129,912.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,502.53 : 279,753.57 = 86,608.11 : x
  2. Step 2: Convert to fraction form
    186,502.53/279,753.57 = 86,608.11/x
  3. Step 3: Cross multiply
    186,502.53x = 279,753.57 × 86,608.11
  4. Step 4: Simplify right side
    186,502.53x = 24,228,927,963.45
  5. Step 5: Solve for x
    x = 24,228,927,963.45/186,502.53
  6. Step 6: Final answer
    x = 129,912.06

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1.5x scale

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.