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Finding the Fourth Proportional to 234,866.70, 352,228.77 and 66,373.74

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Solution

The fourth proportional to 234,866.70, 352,228.77 and 66,373.74 is: 99,540.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,866.70 : 352,228.77 = 66,373.74 : x
  2. Step 2: Convert to fraction form
    234,866.70/352,228.77 = 66,373.74/x
  3. Step 3: Cross multiply
    234,866.70x = 352,228.77 × 66,373.74
  4. Step 4: Simplify right side
    234,866.70x = 23,378,740,800.50
  5. Step 5: Solve for x
    x = 23,378,740,800.50/234,866.70
  6. Step 6: Final answer
    x = 99,540.47

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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.