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Finding the Fourth Proportional to 59,192.81, 81,623.94 and 39,023.88

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Solution

The fourth proportional to 59,192.81, 81,623.94 and 39,023.88 is: 53,811.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,192.81 : 81,623.94 = 39,023.88 : x
  2. Step 2: Convert to fraction form
    59,192.81/81,623.94 = 39,023.88/x
  3. Step 3: Cross multiply
    59,192.81x = 81,623.94 × 39,023.88
  4. Step 4: Simplify right side
    59,192.81x = 3,185,282,839.69
  5. Step 5: Solve for x
    x = 3,185,282,839.69/59,192.81
  6. Step 6: Final answer
    x = 53,811.99

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.