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Finding the Fourth Proportional to 92,656.68, 127,865.70 and 50,215.20

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Solution

The fourth proportional to 92,656.68, 127,865.70 and 50,215.20 is: 69,296.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,656.68 : 127,865.70 = 50,215.20 : x
  2. Step 2: Convert to fraction form
    92,656.68/127,865.70 = 50,215.20/x
  3. Step 3: Cross multiply
    92,656.68x = 127,865.70 × 50,215.20
  4. Step 4: Simplify right side
    92,656.68x = 6,420,801,698.64
  5. Step 5: Solve for x
    x = 6,420,801,698.64/92,656.68
  6. Step 6: Final answer
    x = 69,296.70

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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.