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Finding the Fourth Proportional to 69,162.65, 94,822.35 and 67,901.70

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Solution

The fourth proportional to 69,162.65, 94,822.35 and 67,901.70 is: 93,093.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,162.65 : 94,822.35 = 67,901.70 : x
  2. Step 2: Convert to fraction form
    69,162.65/94,822.35 = 67,901.70/x
  3. Step 3: Cross multiply
    69,162.65x = 94,822.35 × 67,901.70
  4. Step 4: Simplify right side
    69,162.65x = 6,438,598,763.00
  5. Step 5: Solve for x
    x = 6,438,598,763.00/69,162.65
  6. Step 6: Final answer
    x = 93,093.59

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.