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Finding the Fourth Proportional to 100,833.84, 151,344.27 and 50,948.97

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Solution

The fourth proportional to 100,833.84, 151,344.27 and 50,948.97 is: 76,470.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,833.84 : 151,344.27 = 50,948.97 : x
  2. Step 2: Convert to fraction form
    100,833.84/151,344.27 = 50,948.97/x
  3. Step 3: Cross multiply
    100,833.84x = 151,344.27 × 50,948.97
  4. Step 4: Simplify right side
    100,833.84x = 7,710,833,915.18
  5. Step 5: Solve for x
    x = 7,710,833,915.18/100,833.84
  6. Step 6: Final answer
    x = 76,470.70

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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.