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Finding the Fourth Proportional to 79,079.66, 118,552.50 and 34,672.76

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Solution

The fourth proportional to 79,079.66, 118,552.50 and 34,672.76 is: 51,979.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,079.66 : 118,552.50 = 34,672.76 : x
  2. Step 2: Convert to fraction form
    79,079.66/118,552.50 = 34,672.76/x
  3. Step 3: Cross multiply
    79,079.66x = 118,552.50 × 34,672.76
  4. Step 4: Simplify right side
    79,079.66x = 4,110,542,379.90
  5. Step 5: Solve for x
    x = 4,110,542,379.90/79,079.66
  6. Step 6: Final answer
    x = 51,979.77

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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.