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Finding the Fourth Proportional to 79,583.53, 109,840.88 and 45,614.79

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Solution

The fourth proportional to 79,583.53, 109,840.88 and 45,614.79 is: 62,957.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,583.53 : 109,840.88 = 45,614.79 : x
  2. Step 2: Convert to fraction form
    79,583.53/109,840.88 = 45,614.79/x
  3. Step 3: Cross multiply
    79,583.53x = 109,840.88 × 45,614.79
  4. Step 4: Simplify right side
    79,583.53x = 5,010,368,446.54
  5. Step 5: Solve for x
    x = 5,010,368,446.54/79,583.53
  6. Step 6: Final answer
    x = 62,957.36

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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.