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Finding the Fourth Proportional to 111,251.52, 153,526.32 and 60,949.44

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Solution

The fourth proportional to 111,251.52, 153,526.32 and 60,949.44 is: 84,109.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,251.52 : 153,526.32 = 60,949.44 : x
  2. Step 2: Convert to fraction form
    111,251.52/153,526.32 = 60,949.44/x
  3. Step 3: Cross multiply
    111,251.52x = 153,526.32 × 60,949.44
  4. Step 4: Simplify right side
    111,251.52x = 9,357,343,229.26
  5. Step 5: Solve for x
    x = 9,357,343,229.26/111,251.52
  6. Step 6: Final answer
    x = 84,109.80

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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.