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Finding the Fourth Proportional to 103,463.64, 155,065.59 and 44,229.69

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Solution

The fourth proportional to 103,463.64, 155,065.59 and 44,229.69 is: 66,289.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,463.64 : 155,065.59 = 44,229.69 : x
  2. Step 2: Convert to fraction form
    103,463.64/155,065.59 = 44,229.69/x
  3. Step 3: Cross multiply
    103,463.64x = 155,065.59 × 44,229.69
  4. Step 4: Simplify right side
    103,463.64x = 6,858,502,975.37
  5. Step 5: Solve for x
    x = 6,858,502,975.37/103,463.64
  6. Step 6: Final answer
    x = 66,289.02

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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.