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Finding the Fourth Proportional to 110,418.40, 165,627.60 and 27,312.40

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Solution

The fourth proportional to 110,418.40, 165,627.60 and 27,312.40 is: 40,968.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,418.40 : 165,627.60 = 27,312.40 : x
  2. Step 2: Convert to fraction form
    110,418.40/165,627.60 = 27,312.40/x
  3. Step 3: Cross multiply
    110,418.40x = 165,627.60 × 27,312.40
  4. Step 4: Simplify right side
    110,418.40x = 4,523,687,262.24
  5. Step 5: Solve for x
    x = 4,523,687,262.24/110,418.40
  6. Step 6: Final answer
    x = 40,968.60

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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.