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Finding the Fourth Proportional to 237,840.76, 328,230.30 and 135,883

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Solution

The fourth proportional to 237,840.76, 328,230.30 and 135,883 is: 187,524.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,840.76 : 328,230.30 = 135,883 : x
  2. Step 2: Convert to fraction form
    237,840.76/328,230.30 = 135,883/x
  3. Step 3: Cross multiply
    237,840.76x = 328,230.30 × 135,883
  4. Step 4: Simplify right side
    237,840.76x = 44,600,917,854.90
  5. Step 5: Solve for x
    x = 44,600,917,854.90/237,840.76
  6. Step 6: Final answer
    x = 187,524.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.