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Finding the Fourth Proportional to 73,475.65, 110,244.68 and 40,156.79

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Solution

The fourth proportional to 73,475.65, 110,244.68 and 40,156.79 is: 60,252.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,475.65 : 110,244.68 = 40,156.79 : x
  2. Step 2: Convert to fraction form
    73,475.65/110,244.68 = 40,156.79/x
  3. Step 3: Cross multiply
    73,475.65x = 110,244.68 × 40,156.79
  4. Step 4: Simplify right side
    73,475.65x = 4,427,071,711.37
  5. Step 5: Solve for x
    x = 4,427,071,711.37/73,475.65
  6. Step 6: Final answer
    x = 60,252.23

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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.