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Finding the Fourth Proportional to 74,104.76, 111,166.90 and 24,167.40

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Solution

The fourth proportional to 74,104.76, 111,166.90 and 24,167.40 is: 36,254.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,104.76 : 111,166.90 = 24,167.40 : x
  2. Step 2: Convert to fraction form
    74,104.76/111,166.90 = 24,167.40/x
  3. Step 3: Cross multiply
    74,104.76x = 111,166.90 × 24,167.40
  4. Step 4: Simplify right side
    74,104.76x = 2,686,614,939.06
  5. Step 5: Solve for x
    x = 2,686,614,939.06/74,104.76
  6. Step 6: Final answer
    x = 36,254.28

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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.