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Finding the Fourth Proportional to 246,120.65, 369,235.15 and 75,343.72

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Solution

The fourth proportional to 246,120.65, 369,235.15 and 75,343.72 is: 113,032.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,120.65 : 369,235.15 = 75,343.72 : x
  2. Step 2: Convert to fraction form
    246,120.65/369,235.15 = 75,343.72/x
  3. Step 3: Cross multiply
    246,120.65x = 369,235.15 × 75,343.72
  4. Step 4: Simplify right side
    246,120.65x = 27,819,549,755.76
  5. Step 5: Solve for x
    x = 27,819,549,755.76/246,120.65
  6. Step 6: Final answer
    x = 113,032.16

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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.