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Finding the Fourth Proportional to 69,055.32, 95,657.25 and 67,655.64

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Solution

The fourth proportional to 69,055.32, 95,657.25 and 67,655.64 is: 93,718.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,055.32 : 95,657.25 = 67,655.64 : x
  2. Step 2: Convert to fraction form
    69,055.32/95,657.25 = 67,655.64/x
  3. Step 3: Cross multiply
    69,055.32x = 95,657.25 × 67,655.64
  4. Step 4: Simplify right side
    69,055.32x = 6,471,752,469.39
  5. Step 5: Solve for x
    x = 6,471,752,469.39/69,055.32
  6. Step 6: Final answer
    x = 93,718.38

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.