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Finding the Fourth Proportional to 96,959.30, 133,693.52 and 68,269.80

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Solution

The fourth proportional to 96,959.30, 133,693.52 and 68,269.80 is: 94,134.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,959.30 : 133,693.52 = 68,269.80 : x
  2. Step 2: Convert to fraction form
    96,959.30/133,693.52 = 68,269.80/x
  3. Step 3: Cross multiply
    96,959.30x = 133,693.52 × 68,269.80
  4. Step 4: Simplify right side
    96,959.30x = 9,127,229,871.70
  5. Step 5: Solve for x
    x = 9,127,229,871.70/96,959.30
  6. Step 6: Final answer
    x = 94,134.65

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1.5x scale

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.