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Finding the Fourth Proportional to 247,758.50, 371,693.14 and 79,288.94

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Solution

The fourth proportional to 247,758.50, 371,693.14 and 79,288.94 is: 118,951.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,758.50 : 371,693.14 = 79,288.94 : x
  2. Step 2: Convert to fraction form
    247,758.50/371,693.14 = 79,288.94/x
  3. Step 3: Cross multiply
    247,758.50x = 371,693.14 × 79,288.94
  4. Step 4: Simplify right side
    247,758.50x = 29,471,155,075.87
  5. Step 5: Solve for x
    x = 29,471,155,075.87/247,758.50
  6. Step 6: Final answer
    x = 118,951.14

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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.