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Finding the Fourth Proportional to 92,615.40, 138,923.10 and 26,057.70

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Solution

The fourth proportional to 92,615.40, 138,923.10 and 26,057.70 is: 39,086.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,615.40 : 138,923.10 = 26,057.70 : x
  2. Step 2: Convert to fraction form
    92,615.40/138,923.10 = 26,057.70/x
  3. Step 3: Cross multiply
    92,615.40x = 138,923.10 × 26,057.70
  4. Step 4: Simplify right side
    92,615.40x = 3,620,016,462.87
  5. Step 5: Solve for x
    x = 3,620,016,462.87/92,615.40
  6. Step 6: Final answer
    x = 39,086.55

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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.