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Finding the Fourth Proportional to 157,592.99, 217,469.48 and 89,600.38

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Solution

The fourth proportional to 157,592.99, 217,469.48 and 89,600.38 is: 123,643.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,592.99 : 217,469.48 = 89,600.38 : x
  2. Step 2: Convert to fraction form
    157,592.99/217,469.48 = 89,600.38/x
  3. Step 3: Cross multiply
    157,592.99x = 217,469.48 × 89,600.38
  4. Step 4: Simplify right side
    157,592.99x = 19,485,347,054.73
  5. Step 5: Solve for x
    x = 19,485,347,054.73/157,592.99
  6. Step 6: Final answer
    x = 123,643.49

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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.