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Finding the Fourth Proportional to 193,751.88, 290,357.18 and 93,885.57

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Solution

The fourth proportional to 193,751.88, 290,357.18 and 93,885.57 is: 140,697.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,751.88 : 290,357.18 = 93,885.57 : x
  2. Step 2: Convert to fraction form
    193,751.88/290,357.18 = 93,885.57/x
  3. Step 3: Cross multiply
    193,751.88x = 290,357.18 × 93,885.57
  4. Step 4: Simplify right side
    193,751.88x = 27,260,348,878.46
  5. Step 5: Solve for x
    x = 27,260,348,878.46/193,751.88
  6. Step 6: Final answer
    x = 140,697.21

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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.