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Finding the Fourth Proportional to 246,978.66, 370,074.33 and 158,159.10

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Solution

The fourth proportional to 246,978.66, 370,074.33 and 158,159.10 is: 236,986.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,978.66 : 370,074.33 = 158,159.10 : x
  2. Step 2: Convert to fraction form
    246,978.66/370,074.33 = 158,159.10/x
  3. Step 3: Cross multiply
    246,978.66x = 370,074.33 × 158,159.10
  4. Step 4: Simplify right side
    246,978.66x = 58,530,622,965.90
  5. Step 5: Solve for x
    x = 58,530,622,965.90/246,978.66
  6. Step 6: Final answer
    x = 236,986.56

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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.