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Finding the Fourth Proportional to 74,836.60, 112,230.60 and 24,908.20

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Solution

The fourth proportional to 74,836.60, 112,230.60 and 24,908.20 is: 37,354.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,836.60 : 112,230.60 = 24,908.20 : x
  2. Step 2: Convert to fraction form
    74,836.60/112,230.60 = 24,908.20/x
  3. Step 3: Cross multiply
    74,836.60x = 112,230.60 × 24,908.20
  4. Step 4: Simplify right side
    74,836.60x = 2,795,462,230.92
  5. Step 5: Solve for x
    x = 2,795,462,230.92/74,836.60
  6. Step 6: Final answer
    x = 37,354.21

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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.