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Finding the Fourth Proportional to 234,671.52, 352,003.68 and 57,178.80

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Solution

The fourth proportional to 234,671.52, 352,003.68 and 57,178.80 is: 85,767.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,671.52 : 352,003.68 = 57,178.80 : x
  2. Step 2: Convert to fraction form
    234,671.52/352,003.68 = 57,178.80/x
  3. Step 3: Cross multiply
    234,671.52x = 352,003.68 × 57,178.80
  4. Step 4: Simplify right side
    234,671.52x = 20,127,148,017.98
  5. Step 5: Solve for x
    x = 20,127,148,017.98/234,671.52
  6. Step 6: Final answer
    x = 85,767.32

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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.