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Finding the Fourth Proportional to 218,246.68, 301,078.72 and 141,760.36

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Solution

The fourth proportional to 218,246.68, 301,078.72 and 141,760.36 is: 195,563.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,246.68 : 301,078.72 = 141,760.36 : x
  2. Step 2: Convert to fraction form
    218,246.68/301,078.72 = 141,760.36/x
  3. Step 3: Cross multiply
    218,246.68x = 301,078.72 × 141,760.36
  4. Step 4: Simplify right side
    218,246.68x = 42,681,027,735.54
  5. Step 5: Solve for x
    x = 42,681,027,735.54/218,246.68
  6. Step 6: Final answer
    x = 195,563.24

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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.