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Finding the Fourth Proportional to 109,046.88, 163,551.36 and 35,174.88

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Solution

The fourth proportional to 109,046.88, 163,551.36 and 35,174.88 is: 52,756.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,046.88 : 163,551.36 = 35,174.88 : x
  2. Step 2: Convert to fraction form
    109,046.88/163,551.36 = 35,174.88/x
  3. Step 3: Cross multiply
    109,046.88x = 163,551.36 × 35,174.88
  4. Step 4: Simplify right side
    109,046.88x = 5,752,899,461.84
  5. Step 5: Solve for x
    x = 5,752,899,461.84/109,046.88
  6. Step 6: Final answer
    x = 52,756.20

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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.