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Finding the Fourth Proportional to 73,788.93, 110,617.65 and 27,030.87

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Solution

The fourth proportional to 73,788.93, 110,617.65 and 27,030.87 is: 40,522.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,788.93 : 110,617.65 = 27,030.87 : x
  2. Step 2: Convert to fraction form
    73,788.93/110,617.65 = 27,030.87/x
  3. Step 3: Cross multiply
    73,788.93x = 110,617.65 × 27,030.87
  4. Step 4: Simplify right side
    73,788.93x = 2,990,091,316.86
  5. Step 5: Solve for x
    x = 2,990,091,316.86/73,788.93
  6. Step 6: Final answer
    x = 40,522.22

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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.