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Finding the Fourth Proportional to 195,228.80, 292,612.80 and 82,908.80

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Solution

The fourth proportional to 195,228.80, 292,612.80 and 82,908.80 is: 124,265.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,228.80 : 292,612.80 = 82,908.80 : x
  2. Step 2: Convert to fraction form
    195,228.80/292,612.80 = 82,908.80/x
  3. Step 3: Cross multiply
    195,228.80x = 292,612.80 × 82,908.80
  4. Step 4: Simplify right side
    195,228.80x = 24,260,176,112.64
  5. Step 5: Solve for x
    x = 24,260,176,112.64/195,228.80
  6. Step 6: Final answer
    x = 124,265.35

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1.5x scale

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.