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Finding the Fourth Proportional to 73,427.93, 110,142 and 18,023.93

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Solution

The fourth proportional to 73,427.93, 110,142 and 18,023.93 is: 27,035.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,427.93 : 110,142 = 18,023.93 : x
  2. Step 2: Convert to fraction form
    73,427.93/110,142 = 18,023.93/x
  3. Step 3: Cross multiply
    73,427.93x = 110,142 × 18,023.93
  4. Step 4: Simplify right side
    73,427.93x = 1,985,191,698.06
  5. Step 5: Solve for x
    x = 1,985,191,698.06/73,427.93
  6. Step 6: Final answer
    x = 27,035.92

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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.