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Finding the Fourth Proportional to 67,550.84, 101,323.84 and 20,802.52

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Solution

The fourth proportional to 67,550.84, 101,323.84 and 20,802.52 is: 31,203.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,550.84 : 101,323.84 = 20,802.52 : x
  2. Step 2: Convert to fraction form
    67,550.84/101,323.84 = 20,802.52/x
  3. Step 3: Cross multiply
    67,550.84x = 101,323.84 × 20,802.52
  4. Step 4: Simplify right side
    67,550.84x = 2,107,791,208.08
  5. Step 5: Solve for x
    x = 2,107,791,208.08/67,550.84
  6. Step 6: Final answer
    x = 31,203.03

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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.