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Finding the Fourth Proportional to 109,401.28, 164,101.84 and 26,295.28

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Solution

The fourth proportional to 109,401.28, 164,101.84 and 26,295.28 is: 39,442.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,401.28 : 164,101.84 = 26,295.28 : x
  2. Step 2: Convert to fraction form
    109,401.28/164,101.84 = 26,295.28/x
  3. Step 3: Cross multiply
    109,401.28x = 164,101.84 × 26,295.28
  4. Step 4: Simplify right side
    109,401.28x = 4,315,103,831.32
  5. Step 5: Solve for x
    x = 4,315,103,831.32/109,401.28
  6. Step 6: Final answer
    x = 39,442.90

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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.