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Finding the Fourth Proportional to 234,872.00, 352,135.48 and 74,855.86

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Solution

The fourth proportional to 234,872.00, 352,135.48 and 74,855.86 is: 112,228.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,872.00 : 352,135.48 = 74,855.86 : x
  2. Step 2: Convert to fraction form
    234,872.00/352,135.48 = 74,855.86/x
  3. Step 3: Cross multiply
    234,872.00x = 352,135.48 × 74,855.86
  4. Step 4: Simplify right side
    234,872.00x = 26,359,403,549.45
  5. Step 5: Solve for x
    x = 26,359,403,549.45/234,872.00
  6. Step 6: Final answer
    x = 112,228.80

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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.