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Finding the Fourth Proportional to 144,409.22, 216,616.80 and 44,569.48

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Solution

The fourth proportional to 144,409.22, 216,616.80 and 44,569.48 is: 66,855.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,409.22 : 216,616.80 = 44,569.48 : x
  2. Step 2: Convert to fraction form
    144,409.22/216,616.80 = 44,569.48/x
  3. Step 3: Cross multiply
    144,409.22x = 216,616.80 × 44,569.48
  4. Step 4: Simplify right side
    144,409.22x = 9,654,498,135.26
  5. Step 5: Solve for x
    x = 9,654,498,135.26/144,409.22
  6. Step 6: Final answer
    x = 66,855.14

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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.