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Finding the Fourth Proportional to 151,892.82, 209,560.77 and 88,207.38

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Solution

The fourth proportional to 151,892.82, 209,560.77 and 88,207.38 is: 121,696.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,892.82 : 209,560.77 = 88,207.38 : x
  2. Step 2: Convert to fraction form
    151,892.82/209,560.77 = 88,207.38/x
  3. Step 3: Cross multiply
    151,892.82x = 209,560.77 × 88,207.38
  4. Step 4: Simplify right side
    151,892.82x = 18,484,806,472.48
  5. Step 5: Solve for x
    x = 18,484,806,472.48/151,892.82
  6. Step 6: Final answer
    x = 121,696.38

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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.