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Finding the Fourth Proportional to 69,168.84, 103,752.90 and 44,146.68

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Solution

The fourth proportional to 69,168.84, 103,752.90 and 44,146.68 is: 66,219.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,168.84 : 103,752.90 = 44,146.68 : x
  2. Step 2: Convert to fraction form
    69,168.84/103,752.90 = 44,146.68/x
  3. Step 3: Cross multiply
    69,168.84x = 103,752.90 × 44,146.68
  4. Step 4: Simplify right side
    69,168.84x = 4,580,346,075.37
  5. Step 5: Solve for x
    x = 4,580,346,075.37/69,168.84
  6. Step 6: Final answer
    x = 66,219.79

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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.