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Finding the Fourth Proportional to 92,540.88, 127,700.28 and 51,704.46

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Solution

The fourth proportional to 92,540.88, 127,700.28 and 51,704.46 is: 71,348.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,540.88 : 127,700.28 = 51,704.46 : x
  2. Step 2: Convert to fraction form
    92,540.88/127,700.28 = 51,704.46/x
  3. Step 3: Cross multiply
    92,540.88x = 127,700.28 × 51,704.46
  4. Step 4: Simplify right side
    92,540.88x = 6,602,674,019.25
  5. Step 5: Solve for x
    x = 6,602,674,019.25/92,540.88
  6. Step 6: Final answer
    x = 71,348.73

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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.