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Finding the Fourth Proportional to 100,327.65, 150,479.16 and 58,230.63

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Solution

The fourth proportional to 100,327.65, 150,479.16 and 58,230.63 is: 87,338.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,327.65 : 150,479.16 = 58,230.63 : x
  2. Step 2: Convert to fraction form
    100,327.65/150,479.16 = 58,230.63/x
  3. Step 3: Cross multiply
    100,327.65x = 150,479.16 × 58,230.63
  4. Step 4: Simplify right side
    100,327.65x = 8,762,496,288.67
  5. Step 5: Solve for x
    x = 8,762,496,288.67/100,327.65
  6. Step 6: Final answer
    x = 87,338.80

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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.