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Finding the Fourth Proportional to 144,750.44, 216,804.84 and 111,223.72

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Solution

The fourth proportional to 144,750.44, 216,804.84 and 111,223.72 is: 166,589.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,750.44 : 216,804.84 = 111,223.72 : x
  2. Step 2: Convert to fraction form
    144,750.44/216,804.84 = 111,223.72/x
  3. Step 3: Cross multiply
    144,750.44x = 216,804.84 × 111,223.72
  4. Step 4: Simplify right side
    144,750.44x = 24,113,840,818.80
  5. Step 5: Solve for x
    x = 24,113,840,818.80/144,750.44
  6. Step 6: Final answer
    x = 166,589.07

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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.