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Finding the Fourth Proportional to 246,662.30, 370,049.48 and 78,193.13

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Solution

The fourth proportional to 246,662.30, 370,049.48 and 78,193.13 is: 117,307.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,662.30 : 370,049.48 = 78,193.13 : x
  2. Step 2: Convert to fraction form
    246,662.30/370,049.48 = 78,193.13/x
  3. Step 3: Cross multiply
    246,662.30x = 370,049.48 × 78,193.13
  4. Step 4: Simplify right side
    246,662.30x = 28,935,324,854.86
  5. Step 5: Solve for x
    x = 28,935,324,854.86/246,662.30
  6. Step 6: Final answer
    x = 117,307.45

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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.