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Finding the Fourth Proportional to 157,601.86, 217,489.51 and 89,618.84

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Solution

The fourth proportional to 157,601.86, 217,489.51 and 89,618.84 is: 123,673.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,601.86 : 217,489.51 = 89,618.84 : x
  2. Step 2: Convert to fraction form
    157,601.86/217,489.51 = 89,618.84/x
  3. Step 3: Cross multiply
    157,601.86x = 217,489.51 × 89,618.84
  4. Step 4: Simplify right side
    157,601.86x = 19,491,157,438.53
  5. Step 5: Solve for x
    x = 19,491,157,438.53/157,601.86
  6. Step 6: Final answer
    x = 123,673.40

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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.