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Finding the Fourth Proportional to 111,092, 153,306.96 and 60,791

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Solution

The fourth proportional to 111,092, 153,306.96 and 60,791 is: 83,891.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,092 : 153,306.96 = 60,791 : x
  2. Step 2: Convert to fraction form
    111,092/153,306.96 = 60,791/x
  3. Step 3: Cross multiply
    111,092x = 153,306.96 × 60,791
  4. Step 4: Simplify right side
    111,092x = 9,319,683,405.36
  5. Step 5: Solve for x
    x = 9,319,683,405.36/111,092
  6. Step 6: Final answer
    x = 83,891.58

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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.