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Finding the Fourth Proportional to 79,583.65, 109,841.04 and 45,614.90

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Solution

The fourth proportional to 79,583.65, 109,841.04 and 45,614.90 is: 62,957.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,583.65 : 109,841.04 = 45,614.90 : x
  2. Step 2: Convert to fraction form
    79,583.65/109,841.04 = 45,614.90/x
  3. Step 3: Cross multiply
    79,583.65x = 109,841.04 × 45,614.90
  4. Step 4: Simplify right side
    79,583.65x = 5,010,388,330.10
  5. Step 5: Solve for x
    x = 5,010,388,330.10/79,583.65
  6. Step 6: Final answer
    x = 62,957.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.