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Finding the Fourth Proportional to 92,515.68, 127,671.62 and 50,074.20

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Solution

The fourth proportional to 92,515.68, 127,671.62 and 50,074.20 is: 69,102.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,515.68 : 127,671.62 = 50,074.20 : x
  2. Step 2: Convert to fraction form
    92,515.68/127,671.62 = 50,074.20/x
  3. Step 3: Cross multiply
    92,515.68x = 127,671.62 × 50,074.20
  4. Step 4: Simplify right side
    92,515.68x = 6,393,053,983.83
  5. Step 5: Solve for x
    x = 6,393,053,983.83/92,515.68
  6. Step 6: Final answer
    x = 69,102.38

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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.