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Finding the Fourth Proportional to 161,957.73, 223,502.49 and 89,363.13

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Solution

The fourth proportional to 161,957.73, 223,502.49 and 89,363.13 is: 123,321.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,957.73 : 223,502.49 = 89,363.13 : x
  2. Step 2: Convert to fraction form
    161,957.73/223,502.49 = 89,363.13/x
  3. Step 3: Cross multiply
    161,957.73x = 223,502.49 × 89,363.13
  4. Step 4: Simplify right side
    161,957.73x = 19,972,882,069.19
  5. Step 5: Solve for x
    x = 19,972,882,069.19/161,957.73
  6. Step 6: Final answer
    x = 123,321.57

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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.