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Finding the Fourth Proportional to 74,497.17, 111,815.97 and 27,158.04

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Solution

The fourth proportional to 74,497.17, 111,815.97 and 27,158.04 is: 40,762.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,497.17 : 111,815.97 = 27,158.04 : x
  2. Step 2: Convert to fraction form
    74,497.17/111,815.97 = 27,158.04/x
  3. Step 3: Cross multiply
    74,497.17x = 111,815.97 × 27,158.04
  4. Step 4: Simplify right side
    74,497.17x = 3,036,702,585.90
  5. Step 5: Solve for x
    x = 3,036,702,585.90/74,497.17
  6. Step 6: Final answer
    x = 40,762.66

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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.