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Finding the Fourth Proportional to 73,351.80, 109,979.10 and 26,598.60

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Solution

The fourth proportional to 73,351.80, 109,979.10 and 26,598.60 is: 39,880.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,351.80 : 109,979.10 = 26,598.60 : x
  2. Step 2: Convert to fraction form
    73,351.80/109,979.10 = 26,598.60/x
  3. Step 3: Cross multiply
    73,351.80x = 109,979.10 × 26,598.60
  4. Step 4: Simplify right side
    73,351.80x = 2,925,290,089.26
  5. Step 5: Solve for x
    x = 2,925,290,089.26/73,351.80
  6. Step 6: Final answer
    x = 39,880.28

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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.