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Finding the Fourth Proportional to 83,665.55, 125,498.36 and 52,522.67

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Solution

The fourth proportional to 83,665.55, 125,498.36 and 52,522.67 is: 78,784.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,665.55 : 125,498.36 = 52,522.67 : x
  2. Step 2: Convert to fraction form
    83,665.55/125,498.36 = 52,522.67/x
  3. Step 3: Cross multiply
    83,665.55x = 125,498.36 × 52,522.67
  4. Step 4: Simplify right side
    83,665.55x = 6,591,508,451.64
  5. Step 5: Solve for x
    x = 6,591,508,451.64/83,665.55
  6. Step 6: Final answer
    x = 78,784.03

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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.