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Finding the Fourth Proportional to 121,045.59, 181,568.40 and 32,299.42

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Solution

The fourth proportional to 121,045.59, 181,568.40 and 32,299.42 is: 48,449.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,045.59 : 181,568.40 = 32,299.42 : x
  2. Step 2: Convert to fraction form
    121,045.59/181,568.40 = 32,299.42/x
  3. Step 3: Cross multiply
    121,045.59x = 181,568.40 × 32,299.42
  4. Step 4: Simplify right side
    121,045.59x = 5,864,554,010.33
  5. Step 5: Solve for x
    x = 5,864,554,010.33/121,045.59
  6. Step 6: Final answer
    x = 48,449.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.