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Finding the Fourth Proportional to 100,318.14, 150,486.46 and 36,292.30

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Solution

The fourth proportional to 100,318.14, 150,486.46 and 36,292.30 is: 54,441.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,318.14 : 150,486.46 = 36,292.30 : x
  2. Step 2: Convert to fraction form
    100,318.14/150,486.46 = 36,292.30/x
  3. Step 3: Cross multiply
    100,318.14x = 150,486.46 × 36,292.30
  4. Step 4: Simplify right side
    100,318.14x = 5,461,499,752.26
  5. Step 5: Solve for x
    x = 5,461,499,752.26/100,318.14
  6. Step 6: Final answer
    x = 54,441.80

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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.