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Finding the Fourth Proportional to 100,892.97, 151,302.20 and 43,959.83

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Solution

The fourth proportional to 100,892.97, 151,302.20 and 43,959.83 is: 65,923.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,892.97 : 151,302.20 = 43,959.83 : x
  2. Step 2: Convert to fraction form
    100,892.97/151,302.20 = 43,959.83/x
  3. Step 3: Cross multiply
    100,892.97x = 151,302.20 × 43,959.83
  4. Step 4: Simplify right side
    100,892.97x = 6,651,218,014.32
  5. Step 5: Solve for x
    x = 6,651,218,014.32/100,892.97
  6. Step 6: Final answer
    x = 65,923.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.