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Finding the Fourth Proportional to 161,502.30, 222,870.96 and 89,882.33

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Solution

The fourth proportional to 161,502.30, 222,870.96 and 89,882.33 is: 124,036.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,502.30 : 222,870.96 = 89,882.33 : x
  2. Step 2: Convert to fraction form
    161,502.30/222,870.96 = 89,882.33/x
  3. Step 3: Cross multiply
    161,502.30x = 222,870.96 × 89,882.33
  4. Step 4: Simplify right side
    161,502.30x = 20,032,160,059.78
  5. Step 5: Solve for x
    x = 20,032,160,059.78/161,502.30
  6. Step 6: Final answer
    x = 124,036.38

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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.