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Finding the Fourth Proportional to 366,749.92, 550,132.56 and 117,431.20

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Solution

The fourth proportional to 366,749.92, 550,132.56 and 117,431.20 is: 176,149.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,749.92 : 550,132.56 = 117,431.20 : x
  2. Step 2: Convert to fraction form
    366,749.92/550,132.56 = 117,431.20/x
  3. Step 3: Cross multiply
    366,749.92x = 550,132.56 × 117,431.20
  4. Step 4: Simplify right side
    366,749.92x = 64,602,726,679.87
  5. Step 5: Solve for x
    x = 64,602,726,679.87/366,749.92
  6. Step 6: Final answer
    x = 176,149.26

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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.