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Finding the Fourth Proportional to 99,673, 149,510.04 and 25,801

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Solution

The fourth proportional to 99,673, 149,510.04 and 25,801 is: 38,701.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,673 : 149,510.04 = 25,801 : x
  2. Step 2: Convert to fraction form
    99,673/149,510.04 = 25,801/x
  3. Step 3: Cross multiply
    99,673x = 149,510.04 × 25,801
  4. Step 4: Simplify right side
    99,673x = 3,857,508,542.04
  5. Step 5: Solve for x
    x = 3,857,508,542.04/99,673
  6. Step 6: Final answer
    x = 38,701.64

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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.