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Finding the Fourth Proportional to 218,749.44, 327,866.23 and 98,665.82

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Solution

The fourth proportional to 218,749.44, 327,866.23 and 98,665.82 is: 147,882.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,749.44 : 327,866.23 = 98,665.82 : x
  2. Step 2: Convert to fraction form
    218,749.44/327,866.23 = 98,665.82/x
  3. Step 3: Cross multiply
    218,749.44x = 327,866.23 × 98,665.82
  4. Step 4: Simplify right side
    218,749.44x = 32,349,191,068.88
  5. Step 5: Solve for x
    x = 32,349,191,068.88/218,749.44
  6. Step 6: Final answer
    x = 147,882.40

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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.