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Finding the Fourth Proportional to 110,290.87, 165,510.42 and 109,885.06

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Solution

The fourth proportional to 110,290.87, 165,510.42 and 109,885.06 is: 164,901.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,290.87 : 165,510.42 = 109,885.06 : x
  2. Step 2: Convert to fraction form
    110,290.87/165,510.42 = 109,885.06/x
  3. Step 3: Cross multiply
    110,290.87x = 165,510.42 × 109,885.06
  4. Step 4: Simplify right side
    110,290.87x = 18,187,122,432.33
  5. Step 5: Solve for x
    x = 18,187,122,432.33/110,290.87
  6. Step 6: Final answer
    x = 164,901.43

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1.5x scale

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.