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Finding the Fourth Proportional to 73,750.60, 110,669.10 and 27,008.20

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Solution

The fourth proportional to 73,750.60, 110,669.10 and 27,008.20 is: 40,528.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,750.60 : 110,669.10 = 27,008.20 : x
  2. Step 2: Convert to fraction form
    73,750.60/110,669.10 = 27,008.20/x
  3. Step 3: Cross multiply
    73,750.60x = 110,669.10 × 27,008.20
  4. Step 4: Simplify right side
    73,750.60x = 2,988,973,186.62
  5. Step 5: Solve for x
    x = 2,988,973,186.62/73,750.60
  6. Step 6: Final answer
    x = 40,528.12

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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.