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Finding the Fourth Proportional to 111,079.84, 153,289.54 and 60,092.43

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Solution

The fourth proportional to 111,079.84, 153,289.54 and 60,092.43 is: 82,927.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,079.84 : 153,289.54 = 60,092.43 : x
  2. Step 2: Convert to fraction form
    111,079.84/153,289.54 = 60,092.43/x
  3. Step 3: Cross multiply
    111,079.84x = 153,289.54 × 60,092.43
  4. Step 4: Simplify right side
    111,079.84x = 9,211,540,952.18
  5. Step 5: Solve for x
    x = 9,211,540,952.18/111,079.84
  6. Step 6: Final answer
    x = 82,927.21

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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.