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Finding the Fourth Proportional to 121,571.69, 182,352.06 and 37,328.45

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Solution

The fourth proportional to 121,571.69, 182,352.06 and 37,328.45 is: 55,990.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,571.69 : 182,352.06 = 37,328.45 : x
  2. Step 2: Convert to fraction form
    121,571.69/182,352.06 = 37,328.45/x
  3. Step 3: Cross multiply
    121,571.69x = 182,352.06 × 37,328.45
  4. Step 4: Simplify right side
    121,571.69x = 6,806,918,842.35
  5. Step 5: Solve for x
    x = 6,806,918,842.35/121,571.69
  6. Step 6: Final answer
    x = 55,990.99

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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.