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Finding the Fourth Proportional to 80,501.70, 120,713.28 and 24,330.96

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Solution

The fourth proportional to 80,501.70, 120,713.28 and 24,330.96 is: 36,484.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,501.70 : 120,713.28 = 24,330.96 : x
  2. Step 2: Convert to fraction form
    80,501.70/120,713.28 = 24,330.96/x
  3. Step 3: Cross multiply
    80,501.70x = 120,713.28 × 24,330.96
  4. Step 4: Simplify right side
    80,501.70x = 2,937,069,987.15
  5. Step 5: Solve for x
    x = 2,937,069,987.15/80,501.70
  6. Step 6: Final answer
    x = 36,484.57

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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.