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Finding the Fourth Proportional to 157,600.59, 217,487.77 and 89,617.56

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Solution

The fourth proportional to 157,600.59, 217,487.77 and 89,617.56 is: 123,671.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,600.59 : 217,487.77 = 89,617.56 : x
  2. Step 2: Convert to fraction form
    157,600.59/217,487.77 = 89,617.56/x
  3. Step 3: Cross multiply
    157,600.59x = 217,487.77 × 89,617.56
  4. Step 4: Simplify right side
    157,600.59x = 19,490,723,277.24
  5. Step 5: Solve for x
    x = 19,490,723,277.24/157,600.59
  6. Step 6: Final answer
    x = 123,671.64

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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.