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Finding the Fourth Proportional to 164,610.60, 247,031.10 and 71,183.40

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Solution

The fourth proportional to 164,610.60, 247,031.10 and 71,183.40 is: 106,824.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,610.60 : 247,031.10 = 71,183.40 : x
  2. Step 2: Convert to fraction form
    164,610.60/247,031.10 = 71,183.40/x
  3. Step 3: Cross multiply
    164,610.60x = 247,031.10 × 71,183.40
  4. Step 4: Simplify right side
    164,610.60x = 17,584,513,603.74
  5. Step 5: Solve for x
    x = 17,584,513,603.74/164,610.60
  6. Step 6: Final answer
    x = 106,824.92

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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.