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Finding the Fourth Proportional to 73,009.72, 109,525.38 and 23,078.48

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Solution

The fourth proportional to 73,009.72, 109,525.38 and 23,078.48 is: 34,621.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,009.72 : 109,525.38 = 23,078.48 : x
  2. Step 2: Convert to fraction form
    73,009.72/109,525.38 = 23,078.48/x
  3. Step 3: Cross multiply
    73,009.72x = 109,525.38 × 23,078.48
  4. Step 4: Simplify right side
    73,009.72x = 2,527,679,291.82
  5. Step 5: Solve for x
    x = 2,527,679,291.82/73,009.72
  6. Step 6: Final answer
    x = 34,621.13

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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.