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Finding the Fourth Proportional to 73,677.74, 101,676.90 and 43,470.42

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Solution

The fourth proportional to 73,677.74, 101,676.90 and 43,470.42 is: 59,990.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,677.74 : 101,676.90 = 43,470.42 : x
  2. Step 2: Convert to fraction form
    73,677.74/101,676.90 = 43,470.42/x
  3. Step 3: Cross multiply
    73,677.74x = 101,676.90 × 43,470.42
  4. Step 4: Simplify right side
    73,677.74x = 4,419,937,547.30
  5. Step 5: Solve for x
    x = 4,419,937,547.30/73,677.74
  6. Step 6: Final answer
    x = 59,990.13

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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.