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Finding the Fourth Proportional to 157,524.53, 217,375.31 and 89,532.07

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Solution

The fourth proportional to 157,524.53, 217,375.31 and 89,532.07 is: 123,549.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,524.53 : 217,375.31 = 89,532.07 : x
  2. Step 2: Convert to fraction form
    157,524.53/217,375.31 = 89,532.07/x
  3. Step 3: Cross multiply
    157,524.53x = 217,375.31 × 89,532.07
  4. Step 4: Simplify right side
    157,524.53x = 19,462,061,690.92
  5. Step 5: Solve for x
    x = 19,462,061,690.92/157,524.53
  6. Step 6: Final answer
    x = 123,549.40

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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.