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Finding the Fourth Proportional to 70,975.80, 106,444.08 and 26,599.32

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Solution

The fourth proportional to 70,975.80, 106,444.08 and 26,599.32 is: 39,891.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,975.80 : 106,444.08 = 26,599.32 : x
  2. Step 2: Convert to fraction form
    70,975.80/106,444.08 = 26,599.32/x
  3. Step 3: Cross multiply
    70,975.80x = 106,444.08 × 26,599.32
  4. Step 4: Simplify right side
    70,975.80x = 2,831,340,146.03
  5. Step 5: Solve for x
    x = 2,831,340,146.03/70,975.80
  6. Step 6: Final answer
    x = 39,891.63

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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.