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Finding the Fourth Proportional to 250,337.77, 375,529.75 and 81,858.97

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Solution

The fourth proportional to 250,337.77, 375,529.75 and 81,858.97 is: 122,796.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,337.77 : 375,529.75 = 81,858.97 : x
  2. Step 2: Convert to fraction form
    250,337.77/375,529.75 = 81,858.97/x
  3. Step 3: Cross multiply
    250,337.77x = 375,529.75 × 81,858.97
  4. Step 4: Simplify right side
    250,337.77x = 30,740,479,264.58
  5. Step 5: Solve for x
    x = 30,740,479,264.58/250,337.77
  6. Step 6: Final answer
    x = 122,796.01

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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.