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Finding the Fourth Proportional to 110,181.97, 151,885.78 and 86,267.13

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Solution

The fourth proportional to 110,181.97, 151,885.78 and 86,267.13 is: 118,919.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,181.97 : 151,885.78 = 86,267.13 : x
  2. Step 2: Convert to fraction form
    110,181.97/151,885.78 = 86,267.13/x
  3. Step 3: Cross multiply
    110,181.97x = 151,885.78 × 86,267.13
  4. Step 4: Simplify right side
    110,181.97x = 13,102,750,028.42
  5. Step 5: Solve for x
    x = 13,102,750,028.42/110,181.97
  6. Step 6: Final answer
    x = 118,919.18

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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.