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Finding the Fourth Proportional to 70,500.68, 105,736.44 and 26,126.44

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Solution

The fourth proportional to 70,500.68, 105,736.44 and 26,126.44 is: 39,184.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,500.68 : 105,736.44 = 26,126.44 : x
  2. Step 2: Convert to fraction form
    70,500.68/105,736.44 = 26,126.44/x
  3. Step 3: Cross multiply
    70,500.68x = 105,736.44 × 26,126.44
  4. Step 4: Simplify right side
    70,500.68x = 2,762,516,755.47
  5. Step 5: Solve for x
    x = 2,762,516,755.47/70,500.68
  6. Step 6: Final answer
    x = 39,184.26

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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.