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Finding the Fourth Proportional to 79,655.21, 119,482.82 and 32,909.30

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Solution

The fourth proportional to 79,655.21, 119,482.82 and 32,909.30 is: 49,363.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,655.21 : 119,482.82 = 32,909.30 : x
  2. Step 2: Convert to fraction form
    79,655.21/119,482.82 = 32,909.30/x
  3. Step 3: Cross multiply
    79,655.21x = 119,482.82 × 32,909.30
  4. Step 4: Simplify right side
    79,655.21x = 3,932,095,777.74
  5. Step 5: Solve for x
    x = 3,932,095,777.74/79,655.21
  6. Step 6: Final answer
    x = 49,363.95

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Similar ratio
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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.