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Finding the Fourth Proportional to 144,750.43, 216,804.84 and 111,223.71

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Solution

The fourth proportional to 144,750.43, 216,804.84 and 111,223.71 is: 166,589.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,750.43 : 216,804.84 = 111,223.71 : x
  2. Step 2: Convert to fraction form
    144,750.43/216,804.84 = 111,223.71/x
  3. Step 3: Cross multiply
    144,750.43x = 216,804.84 × 111,223.71
  4. Step 4: Simplify right side
    144,750.43x = 24,113,838,650.76
  5. Step 5: Solve for x
    x = 24,113,838,650.76/144,750.43
  6. Step 6: Final answer
    x = 166,589.06

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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.