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Finding the Fourth Proportional to 80,010.74, 110,410.38 and 49,795.11

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Solution

The fourth proportional to 80,010.74, 110,410.38 and 49,795.11 is: 68,714.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,010.74 : 110,410.38 = 49,795.11 : x
  2. Step 2: Convert to fraction form
    80,010.74/110,410.38 = 49,795.11/x
  3. Step 3: Cross multiply
    80,010.74x = 110,410.38 × 49,795.11
  4. Step 4: Simplify right side
    80,010.74x = 5,497,897,017.24
  5. Step 5: Solve for x
    x = 5,497,897,017.24/80,010.74
  6. Step 6: Final answer
    x = 68,714.49

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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.