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Finding the Fourth Proportional to 192,716.52, 265,956.26 and 107,831.76

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Solution

The fourth proportional to 192,716.52, 265,956.26 and 107,831.76 is: 148,812.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,716.52 : 265,956.26 = 107,831.76 : x
  2. Step 2: Convert to fraction form
    192,716.52/265,956.26 = 107,831.76/x
  3. Step 3: Cross multiply
    192,716.52x = 265,956.26 × 107,831.76
  4. Step 4: Simplify right side
    192,716.52x = 28,678,531,059.66
  5. Step 5: Solve for x
    x = 28,678,531,059.66/192,716.52
  6. Step 6: Final answer
    x = 148,812.00

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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.