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Finding the Fourth Proportional to 92,156.32, 126,998.16 and 66,965.92

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Solution

The fourth proportional to 92,156.32, 126,998.16 and 66,965.92 is: 92,283.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,156.32 : 126,998.16 = 66,965.92 : x
  2. Step 2: Convert to fraction form
    92,156.32/126,998.16 = 66,965.92/x
  3. Step 3: Cross multiply
    92,156.32x = 126,998.16 × 66,965.92
  4. Step 4: Simplify right side
    92,156.32x = 8,504,548,622.71
  5. Step 5: Solve for x
    x = 8,504,548,622.71/92,156.32
  6. Step 6: Final answer
    x = 92,283.94

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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.