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Finding the Fourth Proportional to 75,397.89, 104,061.89 and 43,585.23

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Solution

The fourth proportional to 75,397.89, 104,061.89 and 43,585.23 is: 60,155.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,397.89 : 104,061.89 = 43,585.23 : x
  2. Step 2: Convert to fraction form
    75,397.89/104,061.89 = 43,585.23/x
  3. Step 3: Cross multiply
    75,397.89x = 104,061.89 × 43,585.23
  4. Step 4: Simplify right side
    75,397.89x = 4,535,561,409.88
  5. Step 5: Solve for x
    x = 4,535,561,409.88/75,397.89
  6. Step 6: Final answer
    x = 60,155.02

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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.