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Finding the Fourth Proportional to 240,993.38, 332,583.10 and 138,980.90

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Solution

The fourth proportional to 240,993.38, 332,583.10 and 138,980.90 is: 191,800.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,993.38 : 332,583.10 = 138,980.90 : x
  2. Step 2: Convert to fraction form
    240,993.38/332,583.10 = 138,980.90/x
  3. Step 3: Cross multiply
    240,993.38x = 332,583.10 × 138,980.90
  4. Step 4: Simplify right side
    240,993.38x = 46,222,698,562.79
  5. Step 5: Solve for x
    x = 46,222,698,562.79/240,993.38
  6. Step 6: Final answer
    x = 191,800.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.