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Finding the Fourth Proportional to 73,950.99, 110,932.56 and 21,360.93

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Solution

The fourth proportional to 73,950.99, 110,932.56 and 21,360.93 is: 32,043.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,950.99 : 110,932.56 = 21,360.93 : x
  2. Step 2: Convert to fraction form
    73,950.99/110,932.56 = 21,360.93/x
  3. Step 3: Cross multiply
    73,950.99x = 110,932.56 × 21,360.93
  4. Step 4: Simplify right side
    73,950.99x = 2,369,622,648.88
  5. Step 5: Solve for x
    x = 2,369,622,648.88/73,950.99
  6. Step 6: Final answer
    x = 32,043.15

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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.