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Finding the Fourth Proportional to 144,759.93, 216,819.10 and 111,233.21

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Solution

The fourth proportional to 144,759.93, 216,819.10 and 111,233.21 is: 166,603.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,759.93 : 216,819.10 = 111,233.21 : x
  2. Step 2: Convert to fraction form
    144,759.93/216,819.10 = 111,233.21/x
  3. Step 3: Cross multiply
    144,759.93x = 216,819.10 × 111,233.21
  4. Step 4: Simplify right side
    144,759.93x = 24,117,483,926.15
  5. Step 5: Solve for x
    x = 24,117,483,926.15/144,759.93
  6. Step 6: Final answer
    x = 166,603.31

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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.