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Finding the Fourth Proportional to 117,626, 162,324.09 and 63,911.08

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Solution

The fourth proportional to 117,626, 162,324.09 and 63,911.08 is: 88,197.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,626 : 162,324.09 = 63,911.08 : x
  2. Step 2: Convert to fraction form
    117,626/162,324.09 = 63,911.08/x
  3. Step 3: Cross multiply
    117,626x = 162,324.09 × 63,911.08
  4. Step 4: Simplify right side
    117,626x = 10,374,307,901.92
  5. Step 5: Solve for x
    x = 10,374,307,901.92/117,626
  6. Step 6: Final answer
    x = 88,197.40

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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.