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Finding the Fourth Proportional to 223,572.67, 308,610.53 and 132,928.42

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Solution

The fourth proportional to 223,572.67, 308,610.53 and 132,928.42 is: 183,488.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,572.67 : 308,610.53 = 132,928.42 : x
  2. Step 2: Convert to fraction form
    223,572.67/308,610.53 = 132,928.42/x
  3. Step 3: Cross multiply
    223,572.67x = 308,610.53 × 132,928.42
  4. Step 4: Simplify right side
    223,572.67x = 41,023,109,709.06
  5. Step 5: Solve for x
    x = 41,023,109,709.06/223,572.67
  6. Step 6: Final answer
    x = 183,488.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.