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Finding the Fourth Proportional to 240,188.91, 360,275.19 and 113,889.66

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Solution

The fourth proportional to 240,188.91, 360,275.19 and 113,889.66 is: 170,830.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,188.91 : 360,275.19 = 113,889.66 : x
  2. Step 2: Convert to fraction form
    240,188.91/360,275.19 = 113,889.66/x
  3. Step 3: Cross multiply
    240,188.91x = 360,275.19 × 113,889.66
  4. Step 4: Simplify right side
    240,188.91x = 41,031,618,895.54
  5. Step 5: Solve for x
    x = 41,031,618,895.54/240,188.91
  6. Step 6: Final answer
    x = 170,830.61

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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.