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Finding the Fourth Proportional to 73,502.90, 110,275.28 and 36,074.22

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Solution

The fourth proportional to 73,502.90, 110,275.28 and 36,074.22 is: 54,121.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,502.90 : 110,275.28 = 36,074.22 : x
  2. Step 2: Convert to fraction form
    73,502.90/110,275.28 = 36,074.22/x
  3. Step 3: Cross multiply
    73,502.90x = 110,275.28 × 36,074.22
  4. Step 4: Simplify right side
    73,502.90x = 3,978,094,711.28
  5. Step 5: Solve for x
    x = 3,978,094,711.28/73,502.90
  6. Step 6: Final answer
    x = 54,121.60

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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.