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Finding the Fourth Proportional to 92,162.95, 138,247.16 and 36,000.79

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Solution

The fourth proportional to 92,162.95, 138,247.16 and 36,000.79 is: 54,002.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,162.95 : 138,247.16 = 36,000.79 : x
  2. Step 2: Convert to fraction form
    92,162.95/138,247.16 = 36,000.79/x
  3. Step 3: Cross multiply
    92,162.95x = 138,247.16 × 36,000.79
  4. Step 4: Simplify right side
    92,162.95x = 4,977,006,449.63
  5. Step 5: Solve for x
    x = 4,977,006,449.63/92,162.95
  6. Step 6: Final answer
    x = 54,002.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.