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Finding the Fourth Proportional to 111,482.43, 153,844.98 and 60,493.87

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Solution

The fourth proportional to 111,482.43, 153,844.98 and 60,493.87 is: 83,481.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,482.43 : 153,844.98 = 60,493.87 : x
  2. Step 2: Convert to fraction form
    111,482.43/153,844.98 = 60,493.87/x
  3. Step 3: Cross multiply
    111,482.43x = 153,844.98 × 60,493.87
  4. Step 4: Simplify right side
    111,482.43x = 9,306,677,722.23
  5. Step 5: Solve for x
    x = 9,306,677,722.23/111,482.43
  6. Step 6: Final answer
    x = 83,481.11

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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.