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Finding the Fourth Proportional to 100,833.33, 151,343.52 and 50,948.46

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Solution

The fourth proportional to 100,833.33, 151,343.52 and 50,948.46 is: 76,469.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,833.33 : 151,343.52 = 50,948.46 : x
  2. Step 2: Convert to fraction form
    100,833.33/151,343.52 = 50,948.46/x
  3. Step 3: Cross multiply
    100,833.33x = 151,343.52 × 50,948.46
  4. Step 4: Simplify right side
    100,833.33x = 7,710,719,842.52
  5. Step 5: Solve for x
    x = 7,710,719,842.52/100,833.33
  6. Step 6: Final answer
    x = 76,469.95

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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.