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Finding the Fourth Proportional to 246,937.53, 370,367.67 and 78,435.69

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Solution

The fourth proportional to 246,937.53, 370,367.67 and 78,435.69 is: 117,641.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,937.53 : 370,367.67 = 78,435.69 : x
  2. Step 2: Convert to fraction form
    246,937.53/370,367.67 = 78,435.69/x
  3. Step 3: Cross multiply
    246,937.53x = 370,367.67 × 78,435.69
  4. Step 4: Simplify right side
    246,937.53x = 29,050,043,750.14
  5. Step 5: Solve for x
    x = 29,050,043,750.14/246,937.53
  6. Step 6: Final answer
    x = 117,641.27

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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.