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Finding the Fourth Proportional to 83,861.96, 125,626.88 and 54,300.60

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Solution

The fourth proportional to 83,861.96, 125,626.88 and 54,300.60 is: 81,343.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,861.96 : 125,626.88 = 54,300.60 : x
  2. Step 2: Convert to fraction form
    83,861.96/125,626.88 = 54,300.60/x
  3. Step 3: Cross multiply
    83,861.96x = 125,626.88 × 54,300.60
  4. Step 4: Simplify right side
    83,861.96x = 6,821,615,095.88
  5. Step 5: Solve for x
    x = 6,821,615,095.88/83,861.96
  6. Step 6: Final answer
    x = 81,343.38

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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.