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Finding the Fourth Proportional to 246,937.52, 370,367.69 and 78,435.68

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Solution

The fourth proportional to 246,937.52, 370,367.69 and 78,435.68 is: 117,641.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,937.52 : 370,367.69 = 78,435.68 : x
  2. Step 2: Convert to fraction form
    246,937.52/370,367.69 = 78,435.68/x
  3. Step 3: Cross multiply
    246,937.52x = 370,367.69 × 78,435.68
  4. Step 4: Simplify right side
    246,937.52x = 29,050,039,371.16
  5. Step 5: Solve for x
    x = 29,050,039,371.16/246,937.52
  6. Step 6: Final answer
    x = 117,641.25

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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.