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Finding the Fourth Proportional to 250,802.55, 376,216.13 and 101,022.61

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Solution

The fourth proportional to 250,802.55, 376,216.13 and 101,022.61 is: 151,538.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,802.55 : 376,216.13 = 101,022.61 : x
  2. Step 2: Convert to fraction form
    250,802.55/376,216.13 = 101,022.61/x
  3. Step 3: Cross multiply
    250,802.55x = 376,216.13 × 101,022.61
  4. Step 4: Simplify right side
    250,802.55x = 38,006,335,376.70
  5. Step 5: Solve for x
    x = 38,006,335,376.70/250,802.55
  6. Step 6: Final answer
    x = 151,538.87

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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.