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Finding the Fourth Proportional to 240,147.94, 360,231.64 and 90,372.46

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Solution

The fourth proportional to 240,147.94, 360,231.64 and 90,372.46 is: 135,562.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,147.94 : 360,231.64 = 90,372.46 : x
  2. Step 2: Convert to fraction form
    240,147.94/360,231.64 = 90,372.46/x
  3. Step 3: Cross multiply
    240,147.94x = 360,231.64 × 90,372.46
  4. Step 4: Simplify right side
    240,147.94x = 32,555,019,476.63
  5. Step 5: Solve for x
    x = 32,555,019,476.63/240,147.94
  6. Step 6: Final answer
    x = 135,562.35

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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.