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Finding the Fourth Proportional to 237,456, 327,689.28 and 136,860.48

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Solution

The fourth proportional to 237,456, 327,689.28 and 136,860.48 is: 188,867.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,456 : 327,689.28 = 136,860.48 : x
  2. Step 2: Convert to fraction form
    237,456/327,689.28 = 136,860.48/x
  3. Step 3: Cross multiply
    237,456x = 327,689.28 × 136,860.48
  4. Step 4: Simplify right side
    237,456x = 44,847,712,151.65
  5. Step 5: Solve for x
    x = 44,847,712,151.65/237,456
  6. Step 6: Final answer
    x = 188,867.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.