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Finding the Fourth Proportional to 195,894.90, 293,885.55 and 62,781.30

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Solution

The fourth proportional to 195,894.90, 293,885.55 and 62,781.30 is: 94,185.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,894.90 : 293,885.55 = 62,781.30 : x
  2. Step 2: Convert to fraction form
    195,894.90/293,885.55 = 62,781.30/x
  3. Step 3: Cross multiply
    195,894.90x = 293,885.55 × 62,781.30
  4. Step 4: Simplify right side
    195,894.90x = 18,450,516,880.22
  5. Step 5: Solve for x
    x = 18,450,516,880.22/195,894.90
  6. Step 6: Final answer
    x = 94,185.79

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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.