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Finding the Fourth Proportional to 59,999.84, 90,054.23 and 31,943.33

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Solution

The fourth proportional to 59,999.84, 90,054.23 and 31,943.33 is: 47,943.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,999.84 : 90,054.23 = 31,943.33 : x
  2. Step 2: Convert to fraction form
    59,999.84/90,054.23 = 31,943.33/x
  3. Step 3: Cross multiply
    59,999.84x = 90,054.23 × 31,943.33
  4. Step 4: Simplify right side
    59,999.84x = 2,876,631,376.80
  5. Step 5: Solve for x
    x = 2,876,631,376.80/59,999.84
  6. Step 6: Final answer
    x = 47,943.99

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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.