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Finding the Fourth Proportional to 79,079.88, 118,619.90 and 32,332.76

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Solution

The fourth proportional to 79,079.88, 118,619.90 and 32,332.76 is: 48,499.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,079.88 : 118,619.90 = 32,332.76 : x
  2. Step 2: Convert to fraction form
    79,079.88/118,619.90 = 32,332.76/x
  3. Step 3: Cross multiply
    79,079.88x = 118,619.90 × 32,332.76
  4. Step 4: Simplify right side
    79,079.88x = 3,835,308,757.92
  5. Step 5: Solve for x
    x = 3,835,308,757.92/79,079.88
  6. Step 6: Final answer
    x = 48,499.17

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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.