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Finding the Fourth Proportional to 67,416.75, 100,612.46 and 59,943.60

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Solution

The fourth proportional to 67,416.75, 100,612.46 and 59,943.60 is: 89,459.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,416.75 : 100,612.46 = 59,943.60 : x
  2. Step 2: Convert to fraction form
    67,416.75/100,612.46 = 59,943.60/x
  3. Step 3: Cross multiply
    67,416.75x = 100,612.46 × 59,943.60
  4. Step 4: Simplify right side
    67,416.75x = 6,031,073,207.12
  5. Step 5: Solve for x
    x = 6,031,073,207.12/67,416.75
  6. Step 6: Final answer
    x = 89,459.57

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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.