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Finding the Fourth Proportional to 240,310.16, 360,470.20 and 74,098

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Solution

The fourth proportional to 240,310.16, 360,470.20 and 74,098 is: 111,148.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,310.16 : 360,470.20 = 74,098 : x
  2. Step 2: Convert to fraction form
    240,310.16/360,470.20 = 74,098/x
  3. Step 3: Cross multiply
    240,310.16x = 360,470.20 × 74,098
  4. Step 4: Simplify right side
    240,310.16x = 26,710,120,879.60
  5. Step 5: Solve for x
    x = 26,710,120,879.60/240,310.16
  6. Step 6: Final answer
    x = 111,148.53

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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.