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Finding the Fourth Proportional to 67,426.80, 100,909.80 and 59,132.40

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Solution

The fourth proportional to 67,426.80, 100,909.80 and 59,132.40 is: 88,496.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,426.80 : 100,909.80 = 59,132.40 : x
  2. Step 2: Convert to fraction form
    67,426.80/100,909.80 = 59,132.40/x
  3. Step 3: Cross multiply
    67,426.80x = 100,909.80 × 59,132.40
  4. Step 4: Simplify right side
    67,426.80x = 5,967,038,657.52
  5. Step 5: Solve for x
    x = 5,967,038,657.52/67,426.80
  6. Step 6: Final answer
    x = 88,496.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.