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Finding the Fourth Proportional to 144,411.72, 216,620.55 and 44,571.98

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Solution

The fourth proportional to 144,411.72, 216,620.55 and 44,571.98 is: 66,858.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,411.72 : 216,620.55 = 44,571.98 : x
  2. Step 2: Convert to fraction form
    144,411.72/216,620.55 = 44,571.98/x
  3. Step 3: Cross multiply
    144,411.72x = 216,620.55 × 44,571.98
  4. Step 4: Simplify right side
    144,411.72x = 9,655,206,822.19
  5. Step 5: Solve for x
    x = 9,655,206,822.19/144,411.72
  6. Step 6: Final answer
    x = 66,858.89

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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.