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Finding the Fourth Proportional to 80,372.76, 110,908.98 and 46,382.66

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Solution

The fourth proportional to 80,372.76, 110,908.98 and 46,382.66 is: 64,004.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,372.76 : 110,908.98 = 46,382.66 : x
  2. Step 2: Convert to fraction form
    80,372.76/110,908.98 = 46,382.66/x
  3. Step 3: Cross multiply
    80,372.76x = 110,908.98 × 46,382.66
  4. Step 4: Simplify right side
    80,372.76x = 5,144,253,510.29
  5. Step 5: Solve for x
    x = 5,144,253,510.29/80,372.76
  6. Step 6: Final answer
    x = 64,004.94

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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.