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Finding the Fourth Proportional to 250,618.68, 375,835.07 and 100,807.76

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Solution

The fourth proportional to 250,618.68, 375,835.07 and 100,807.76 is: 151,174.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,618.68 : 375,835.07 = 100,807.76 : x
  2. Step 2: Convert to fraction form
    250,618.68/375,835.07 = 100,807.76/x
  3. Step 3: Cross multiply
    250,618.68x = 375,835.07 × 100,807.76
  4. Step 4: Simplify right side
    250,618.68x = 37,887,092,727.75
  5. Step 5: Solve for x
    x = 37,887,092,727.75/250,618.68
  6. Step 6: Final answer
    x = 151,174.26

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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.