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Finding the Fourth Proportional to 234,987.78, 352,557.42 and 108,710.73

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Solution

The fourth proportional to 234,987.78, 352,557.42 and 108,710.73 is: 163,101.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,987.78 : 352,557.42 = 108,710.73 : x
  2. Step 2: Convert to fraction form
    234,987.78/352,557.42 = 108,710.73/x
  3. Step 3: Cross multiply
    234,987.78x = 352,557.42 × 108,710.73
  4. Step 4: Simplify right side
    234,987.78x = 38,326,774,495.12
  5. Step 5: Solve for x
    x = 38,326,774,495.12/234,987.78
  6. Step 6: Final answer
    x = 163,101.14

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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.