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Finding the Fourth Proportional to 68,318.28, 101,798.27 and 60,865.47

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Solution

The fourth proportional to 68,318.28, 101,798.27 and 60,865.47 is: 90,693.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,318.28 : 101,798.27 = 60,865.47 : x
  2. Step 2: Convert to fraction form
    68,318.28/101,798.27 = 60,865.47/x
  3. Step 3: Cross multiply
    68,318.28x = 101,798.27 × 60,865.47
  4. Step 4: Simplify right side
    68,318.28x = 6,195,998,735.42
  5. Step 5: Solve for x
    x = 6,195,998,735.42/68,318.28
  6. Step 6: Final answer
    x = 90,693.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.