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Finding the Fourth Proportional to 74,369.52, 111,275.45 and 44,273.67

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Solution

The fourth proportional to 74,369.52, 111,275.45 and 44,273.67 is: 66,244.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,369.52 : 111,275.45 = 44,273.67 : x
  2. Step 2: Convert to fraction form
    74,369.52/111,275.45 = 44,273.67/x
  3. Step 3: Cross multiply
    74,369.52x = 111,275.45 × 44,273.67
  4. Step 4: Simplify right side
    74,369.52x = 4,926,572,331.03
  5. Step 5: Solve for x
    x = 4,926,572,331.03/74,369.52
  6. Step 6: Final answer
    x = 66,244.51

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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.