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Finding the Fourth Proportional to 268,342.88, 402,218.46 and 173,348.10

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Solution

The fourth proportional to 268,342.88, 402,218.46 and 173,348.10 is: 259,831.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,342.88 : 402,218.46 = 173,348.10 : x
  2. Step 2: Convert to fraction form
    268,342.88/402,218.46 = 173,348.10/x
  3. Step 3: Cross multiply
    268,342.88x = 402,218.46 × 173,348.10
  4. Step 4: Simplify right side
    268,342.88x = 69,723,805,825.93
  5. Step 5: Solve for x
    x = 69,723,805,825.93/268,342.88
  6. Step 6: Final answer
    x = 259,831.03

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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.