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Finding the Fourth Proportional to 251,744.39, 377,579.02 and 83,265.65

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Solution

The fourth proportional to 251,744.39, 377,579.02 and 83,265.65 is: 124,886.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,744.39 : 377,579.02 = 83,265.65 : x
  2. Step 2: Convert to fraction form
    251,744.39/377,579.02 = 83,265.65/x
  3. Step 3: Cross multiply
    251,744.39x = 377,579.02 × 83,265.65
  4. Step 4: Simplify right side
    251,744.39x = 31,439,362,526.66
  5. Step 5: Solve for x
    x = 31,439,362,526.66/251,744.39
  6. Step 6: Final answer
    x = 124,886.05

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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.