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Finding the Fourth Proportional to 227,952.60, 342,209.70 and 143,712.60

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Solution

The fourth proportional to 227,952.60, 342,209.70 and 143,712.60 is: 215,745.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,952.60 : 342,209.70 = 143,712.60 : x
  2. Step 2: Convert to fraction form
    227,952.60/342,209.70 = 143,712.60/x
  3. Step 3: Cross multiply
    227,952.60x = 342,209.70 × 143,712.60
  4. Step 4: Simplify right side
    227,952.60x = 49,179,845,732.22
  5. Step 5: Solve for x
    x = 49,179,845,732.22/227,952.60
  6. Step 6: Final answer
    x = 215,745.93

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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.