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Finding the Fourth Proportional to 247,690.52, 341,954.64 and 163,053.64

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Solution

The fourth proportional to 247,690.52, 341,954.64 and 163,053.64 is: 225,107.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,690.52 : 341,954.64 = 163,053.64 : x
  2. Step 2: Convert to fraction form
    247,690.52/341,954.64 = 163,053.64/x
  3. Step 3: Cross multiply
    247,690.52x = 341,954.64 × 163,053.64
  4. Step 4: Simplify right side
    247,690.52x = 55,756,948,766.89
  5. Step 5: Solve for x
    x = 55,756,948,766.89/247,690.52
  6. Step 6: Final answer
    x = 225,107.32

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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.