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Finding the Fourth Proportional to 185,223.52, 255,608.22 and 100,340.92

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Solution

The fourth proportional to 185,223.52, 255,608.22 and 100,340.92 is: 138,470.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,223.52 : 255,608.22 = 100,340.92 : x
  2. Step 2: Convert to fraction form
    185,223.52/255,608.22 = 100,340.92/x
  3. Step 3: Cross multiply
    185,223.52x = 255,608.22 × 100,340.92
  4. Step 4: Simplify right side
    185,223.52x = 25,647,963,954.36
  5. Step 5: Solve for x
    x = 25,647,963,954.36/185,223.52
  6. Step 6: Final answer
    x = 138,470.34

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1.5x scale

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.