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Finding the Fourth Proportional to 92,613.68, 127,806.72 and 50,173.28

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Solution

The fourth proportional to 92,613.68, 127,806.72 and 50,173.28 is: 69,239.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,613.68 : 127,806.72 = 50,173.28 : x
  2. Step 2: Convert to fraction form
    92,613.68/127,806.72 = 50,173.28/x
  3. Step 3: Cross multiply
    92,613.68x = 127,806.72 × 50,173.28
  4. Step 4: Simplify right side
    92,613.68x = 6,412,482,348.44
  5. Step 5: Solve for x
    x = 6,412,482,348.44/92,613.68
  6. Step 6: Final answer
    x = 69,239.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.