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Finding the Fourth Proportional to 251,412.88, 377,130.93 and 82,947.92

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Solution

The fourth proportional to 251,412.88, 377,130.93 and 82,947.92 is: 124,425.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,412.88 : 377,130.93 = 82,947.92 : x
  2. Step 2: Convert to fraction form
    251,412.88/377,130.93 = 82,947.92/x
  3. Step 3: Cross multiply
    251,412.88x = 377,130.93 × 82,947.92
  4. Step 4: Simplify right side
    251,412.88x = 31,282,226,211.17
  5. Step 5: Solve for x
    x = 31,282,226,211.17/251,412.88
  6. Step 6: Final answer
    x = 124,425.71

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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.