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Finding the Fourth Proportional to 101,479.44, 152,216 and 48,209.75

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Solution

The fourth proportional to 101,479.44, 152,216 and 48,209.75 is: 72,313.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,479.44 : 152,216 = 48,209.75 : x
  2. Step 2: Convert to fraction form
    101,479.44/152,216 = 48,209.75/x
  3. Step 3: Cross multiply
    101,479.44x = 152,216 × 48,209.75
  4. Step 4: Simplify right side
    101,479.44x = 7,338,295,306
  5. Step 5: Solve for x
    x = 7,338,295,306/101,479.44
  6. Step 6: Final answer
    x = 72,313.13

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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.