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Finding the Fourth Proportional to 195,894.40, 293,884.80 and 62,780.80

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Solution

The fourth proportional to 195,894.40, 293,884.80 and 62,780.80 is: 94,185.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,894.40 : 293,884.80 = 62,780.80 : x
  2. Step 2: Convert to fraction form
    195,894.40/293,884.80 = 62,780.80/x
  3. Step 3: Cross multiply
    195,894.40x = 293,884.80 × 62,780.80
  4. Step 4: Simplify right side
    195,894.40x = 18,450,322,851.84
  5. Step 5: Solve for x
    x = 18,450,322,851.84/195,894.40
  6. Step 6: Final answer
    x = 94,185.04

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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.