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Finding the Fourth Proportional to 70,168.56, 96,839.19 and 38,342.18

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Solution

The fourth proportional to 70,168.56, 96,839.19 and 38,342.18 is: 52,915.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,168.56 : 96,839.19 = 38,342.18 : x
  2. Step 2: Convert to fraction form
    70,168.56/96,839.19 = 38,342.18/x
  3. Step 3: Cross multiply
    70,168.56x = 96,839.19 × 38,342.18
  4. Step 4: Simplify right side
    70,168.56x = 3,713,025,169.84
  5. Step 5: Solve for x
    x = 3,713,025,169.84/70,168.56
  6. Step 6: Final answer
    x = 52,915.80

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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.