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Finding the Fourth Proportional to 69,798.84, 96,279.19 and 60,867.78

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Solution

The fourth proportional to 69,798.84, 96,279.19 and 60,867.78 is: 83,959.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,798.84 : 96,279.19 = 60,867.78 : x
  2. Step 2: Convert to fraction form
    69,798.84/96,279.19 = 60,867.78/x
  3. Step 3: Cross multiply
    69,798.84x = 96,279.19 × 60,867.78
  4. Step 4: Simplify right side
    69,798.84x = 5,860,300,555.50
  5. Step 5: Solve for x
    x = 5,860,300,555.50/69,798.84
  6. Step 6: Final answer
    x = 83,959.86

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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.