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Finding the Fourth Proportional to 317,052.80, 475,440.80 and 119,922.56

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Solution

The fourth proportional to 317,052.80, 475,440.80 and 119,922.56 is: 179,831.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,052.80 : 475,440.80 = 119,922.56 : x
  2. Step 2: Convert to fraction form
    317,052.80/475,440.80 = 119,922.56/x
  3. Step 3: Cross multiply
    317,052.80x = 475,440.80 × 119,922.56
  4. Step 4: Simplify right side
    317,052.80x = 57,016,077,864.45
  5. Step 5: Solve for x
    x = 57,016,077,864.45/317,052.80
  6. Step 6: Final answer
    x = 179,831.49

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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.