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Finding the Fourth Proportional to 79,151.40, 118,727.10 and 52,669.80

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Solution

The fourth proportional to 79,151.40, 118,727.10 and 52,669.80 is: 79,004.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,151.40 : 118,727.10 = 52,669.80 : x
  2. Step 2: Convert to fraction form
    79,151.40/118,727.10 = 52,669.80/x
  3. Step 3: Cross multiply
    79,151.40x = 118,727.10 × 52,669.80
  4. Step 4: Simplify right side
    79,151.40x = 6,253,332,611.58
  5. Step 5: Solve for x
    x = 6,253,332,611.58/79,151.40
  6. Step 6: Final answer
    x = 79,004.70

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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.