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Finding the Fourth Proportional to 92,375.54, 127,478.29 and 49,934.06

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Solution

The fourth proportional to 92,375.54, 127,478.29 and 49,934.06 is: 68,909.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,375.54 : 127,478.29 = 49,934.06 : x
  2. Step 2: Convert to fraction form
    92,375.54/127,478.29 = 49,934.06/x
  3. Step 3: Cross multiply
    92,375.54x = 127,478.29 × 49,934.06
  4. Step 4: Simplify right side
    92,375.54x = 6,365,508,775.42
  5. Step 5: Solve for x
    x = 6,365,508,775.42/92,375.54
  6. Step 6: Final answer
    x = 68,909.03

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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.