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Finding the Fourth Proportional to 234,675.78, 352,047.23 and 72,582.33

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Solution

The fourth proportional to 234,675.78, 352,047.23 and 72,582.33 is: 108,883.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,675.78 : 352,047.23 = 72,582.33 : x
  2. Step 2: Convert to fraction form
    234,675.78/352,047.23 = 72,582.33/x
  3. Step 3: Cross multiply
    234,675.78x = 352,047.23 × 72,582.33
  4. Step 4: Simplify right side
    234,675.78x = 25,552,406,463.21
  5. Step 5: Solve for x
    x = 25,552,406,463.21/234,675.78
  6. Step 6: Final answer
    x = 108,883.87

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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.