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Finding the Fourth Proportional to 195,043.80, 292,565.70 and 82,704.90

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Solution

The fourth proportional to 195,043.80, 292,565.70 and 82,704.90 is: 124,057.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,043.80 : 292,565.70 = 82,704.90 : x
  2. Step 2: Convert to fraction form
    195,043.80/292,565.70 = 82,704.90/x
  3. Step 3: Cross multiply
    195,043.80x = 292,565.70 × 82,704.90
  4. Step 4: Simplify right side
    195,043.80x = 24,196,616,961.93
  5. Step 5: Solve for x
    x = 24,196,616,961.93/195,043.80
  6. Step 6: Final answer
    x = 124,057.35

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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.