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Finding the Fourth Proportional to 144,363.84, 216,583.08 and 44,521.80

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Solution

The fourth proportional to 144,363.84, 216,583.08 and 44,521.80 is: 66,794.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,363.84 : 216,583.08 = 44,521.80 : x
  2. Step 2: Convert to fraction form
    144,363.84/216,583.08 = 44,521.80/x
  3. Step 3: Cross multiply
    144,363.84x = 216,583.08 × 44,521.80
  4. Step 4: Simplify right side
    144,363.84x = 9,642,668,571.14
  5. Step 5: Solve for x
    x = 9,642,668,571.14/144,363.84
  6. Step 6: Final answer
    x = 66,794.21

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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.