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Finding the Fourth Proportional to 247,698.54, 341,965.68 and 163,061.64

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Solution

The fourth proportional to 247,698.54, 341,965.68 and 163,061.64 is: 225,118.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,698.54 : 341,965.68 = 163,061.64 : x
  2. Step 2: Convert to fraction form
    247,698.54/341,965.68 = 163,061.64/x
  3. Step 3: Cross multiply
    247,698.54x = 341,965.68 × 163,061.64
  4. Step 4: Simplify right side
    247,698.54x = 55,761,484,604.52
  5. Step 5: Solve for x
    x = 55,761,484,604.52/247,698.54
  6. Step 6: Final answer
    x = 225,118.34

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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.