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Finding the Fourth Proportional to 144,307.22, 216,489.18 and 44,450.42

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Solution

The fourth proportional to 144,307.22, 216,489.18 and 44,450.42 is: 66,684.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,307.22 : 216,489.18 = 44,450.42 : x
  2. Step 2: Convert to fraction form
    144,307.22/216,489.18 = 44,450.42/x
  3. Step 3: Cross multiply
    144,307.22x = 216,489.18 × 44,450.42
  4. Step 4: Simplify right side
    144,307.22x = 9,623,034,976.46
  5. Step 5: Solve for x
    x = 9,623,034,976.46/144,307.22
  6. Step 6: Final answer
    x = 66,684.36

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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.