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Finding the Fourth Proportional to 74,292, 111,443.12 and 24,358.88

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Solution

The fourth proportional to 74,292, 111,443.12 and 24,358.88 is: 36,540.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,292 : 111,443.12 = 24,358.88 : x
  2. Step 2: Convert to fraction form
    74,292/111,443.12 = 24,358.88/x
  3. Step 3: Cross multiply
    74,292x = 111,443.12 × 24,358.88
  4. Step 4: Simplify right side
    74,292x = 2,714,629,586.91
  5. Step 5: Solve for x
    x = 2,714,629,586.91/74,292
  6. Step 6: Final answer
    x = 36,540.00

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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.