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Finding the Fourth Proportional to 110,387.48, 165,564.48 and 40,266.86

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Solution

The fourth proportional to 110,387.48, 165,564.48 and 40,266.86 is: 60,394.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,387.48 : 165,564.48 = 40,266.86 : x
  2. Step 2: Convert to fraction form
    110,387.48/165,564.48 = 40,266.86/x
  3. Step 3: Cross multiply
    110,387.48x = 165,564.48 × 40,266.86
  4. Step 4: Simplify right side
    110,387.48x = 6,666,761,737.13
  5. Step 5: Solve for x
    x = 6,666,761,737.13/110,387.48
  6. Step 6: Final answer
    x = 60,394.18

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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.