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Finding the Fourth Proportional to 144,809.40, 217,230.30 and 44,968.80

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Solution

The fourth proportional to 144,809.40, 217,230.30 and 44,968.80 is: 67,458.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,809.40 : 217,230.30 = 44,968.80 : x
  2. Step 2: Convert to fraction form
    144,809.40/217,230.30 = 44,968.80/x
  3. Step 3: Cross multiply
    144,809.40x = 217,230.30 × 44,968.80
  4. Step 4: Simplify right side
    144,809.40x = 9,768,585,914.64
  5. Step 5: Solve for x
    x = 9,768,585,914.64/144,809.40
  6. Step 6: Final answer
    x = 67,458.23

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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.