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Finding the Fourth Proportional to 92,259.47, 137,883.70 and 67,351.97

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Solution

The fourth proportional to 92,259.47, 137,883.70 and 67,351.97 is: 100,658.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,259.47 : 137,883.70 = 67,351.97 : x
  2. Step 2: Convert to fraction form
    92,259.47/137,883.70 = 67,351.97/x
  3. Step 3: Cross multiply
    92,259.47x = 137,883.70 × 67,351.97
  4. Step 4: Simplify right side
    92,259.47x = 9,286,738,825.89
  5. Step 5: Solve for x
    x = 9,286,738,825.89/92,259.47
  6. Step 6: Final answer
    x = 100,658.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.