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Finding the Fourth Proportional to 234,743.76, 352,109.48 and 66,275.73

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Solution

The fourth proportional to 234,743.76, 352,109.48 and 66,275.73 is: 99,411.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,743.76 : 352,109.48 = 66,275.73 : x
  2. Step 2: Convert to fraction form
    234,743.76/352,109.48 = 66,275.73/x
  3. Step 3: Cross multiply
    234,743.76x = 352,109.48 × 66,275.73
  4. Step 4: Simplify right side
    234,743.76x = 23,336,312,495.54
  5. Step 5: Solve for x
    x = 23,336,312,495.54/234,743.76
  6. Step 6: Final answer
    x = 99,411.85

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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.