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Finding the Fourth Proportional to 195,857.85, 293,793.74 and 62,720.81

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Solution

The fourth proportional to 195,857.85, 293,793.74 and 62,720.81 is: 94,083.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,857.85 : 293,793.74 = 62,720.81 : x
  2. Step 2: Convert to fraction form
    195,857.85/293,793.74 = 62,720.81/x
  3. Step 3: Cross multiply
    195,857.85x = 293,793.74 × 62,720.81
  4. Step 4: Simplify right side
    195,857.85x = 18,426,981,345.73
  5. Step 5: Solve for x
    x = 18,426,981,345.73/195,857.85
  6. Step 6: Final answer
    x = 94,083.45

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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.