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Finding the Fourth Proportional to 111,649.77, 154,067.73 and 63,892.17

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Solution

The fourth proportional to 111,649.77, 154,067.73 and 63,892.17 is: 88,166.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,649.77 : 154,067.73 = 63,892.17 : x
  2. Step 2: Convert to fraction form
    111,649.77/154,067.73 = 63,892.17/x
  3. Step 3: Cross multiply
    111,649.77x = 154,067.73 × 63,892.17
  4. Step 4: Simplify right side
    111,649.77x = 9,843,721,596.67
  5. Step 5: Solve for x
    x = 9,843,721,596.67/111,649.77
  6. Step 6: Final answer
    x = 88,166.07

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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.