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Finding the Fourth Proportional to 100,321.59, 150,482.67 and 25,441.79

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Solution

The fourth proportional to 100,321.59, 150,482.67 and 25,441.79 is: 38,162.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,321.59 : 150,482.67 = 25,441.79 : x
  2. Step 2: Convert to fraction form
    100,321.59/150,482.67 = 25,441.79/x
  3. Step 3: Cross multiply
    100,321.59x = 150,482.67 × 25,441.79
  4. Step 4: Simplify right side
    100,321.59x = 3,828,547,736.37
  5. Step 5: Solve for x
    x = 3,828,547,736.37/100,321.59
  6. Step 6: Final answer
    x = 38,162.75

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1.5x scale

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.