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Finding the Fourth Proportional to 74,288, 111,437.12 and 24,354.88

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Solution

The fourth proportional to 74,288, 111,437.12 and 24,354.88 is: 36,534.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,288 : 111,437.12 = 24,354.88 : x
  2. Step 2: Convert to fraction form
    74,288/111,437.12 = 24,354.88/x
  3. Step 3: Cross multiply
    74,288x = 111,437.12 × 24,354.88
  4. Step 4: Simplify right side
    74,288x = 2,714,037,685.15
  5. Step 5: Solve for x
    x = 2,714,037,685.15/74,288
  6. Step 6: Final answer
    x = 36,534.00

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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.