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Finding the Fourth Proportional to 173,251.68, 259,831.52 and 68,071.52

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Solution

The fourth proportional to 173,251.68, 259,831.52 and 68,071.52 is: 102,089.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,251.68 : 259,831.52 = 68,071.52 : x
  2. Step 2: Convert to fraction form
    173,251.68/259,831.52 = 68,071.52/x
  3. Step 3: Cross multiply
    173,251.68x = 259,831.52 × 68,071.52
  4. Step 4: Simplify right side
    173,251.68x = 17,687,126,510.31
  5. Step 5: Solve for x
    x = 17,687,126,510.31/173,251.68
  6. Step 6: Final answer
    x = 102,089.21

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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.