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Finding the Fourth Proportional to 110,546.70, 165,820.05 and 43,987.40

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Solution

The fourth proportional to 110,546.70, 165,820.05 and 43,987.40 is: 65,981.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,546.70 : 165,820.05 = 43,987.40 : x
  2. Step 2: Convert to fraction form
    110,546.70/165,820.05 = 43,987.40/x
  3. Step 3: Cross multiply
    110,546.70x = 165,820.05 × 43,987.40
  4. Step 4: Simplify right side
    110,546.70x = 7,293,993,530.98
  5. Step 5: Solve for x
    x = 7,293,993,530.98/110,546.70
  6. Step 6: Final answer
    x = 65,981.11

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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.