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Finding the Fourth Proportional to 79,847.20, 119,770.80 and 37,713.43

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Solution

The fourth proportional to 79,847.20, 119,770.80 and 37,713.43 is: 56,570.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,847.20 : 119,770.80 = 37,713.43 : x
  2. Step 2: Convert to fraction form
    79,847.20/119,770.80 = 37,713.43/x
  3. Step 3: Cross multiply
    79,847.20x = 119,770.80 × 37,713.43
  4. Step 4: Simplify right side
    79,847.20x = 4,516,967,681.84
  5. Step 5: Solve for x
    x = 4,516,967,681.84/79,847.20
  6. Step 6: Final answer
    x = 56,570.15

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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.