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Finding the Fourth Proportional to 80,102.17, 110,541.57 and 43,803.78

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Solution

The fourth proportional to 80,102.17, 110,541.57 and 43,803.78 is: 60,449.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,102.17 : 110,541.57 = 43,803.78 : x
  2. Step 2: Convert to fraction form
    80,102.17/110,541.57 = 43,803.78/x
  3. Step 3: Cross multiply
    80,102.17x = 110,541.57 × 43,803.78
  4. Step 4: Simplify right side
    80,102.17x = 4,842,138,034.34
  5. Step 5: Solve for x
    x = 4,842,138,034.34/80,102.17
  6. Step 6: Final answer
    x = 60,449.52

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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.