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Finding the Fourth Proportional to 69,117, 95,392.98 and 52,320.84

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Solution

The fourth proportional to 69,117, 95,392.98 and 52,320.84 is: 72,211.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,117 : 95,392.98 = 52,320.84 : x
  2. Step 2: Convert to fraction form
    69,117/95,392.98 = 52,320.84/x
  3. Step 3: Cross multiply
    69,117x = 95,392.98 × 52,320.84
  4. Step 4: Simplify right side
    69,117x = 4,991,040,843.70
  5. Step 5: Solve for x
    x = 4,991,040,843.70/69,117
  6. Step 6: Final answer
    x = 72,211.48

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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.