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Finding the Fourth Proportional to 157,585.88, 217,459.68 and 89,593.26

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Solution

The fourth proportional to 157,585.88, 217,459.68 and 89,593.26 is: 123,633.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,585.88 : 217,459.68 = 89,593.26 : x
  2. Step 2: Convert to fraction form
    157,585.88/217,459.68 = 89,593.26/x
  3. Step 3: Cross multiply
    157,585.88x = 217,459.68 × 89,593.26
  4. Step 4: Simplify right side
    157,585.88x = 19,482,921,649.76
  5. Step 5: Solve for x
    x = 19,482,921,649.76/157,585.88
  6. Step 6: Final answer
    x = 123,633.68

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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.