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Finding the Fourth Proportional to 225,457.40, 338,086.46 and 67,655.64

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Solution

The fourth proportional to 225,457.40, 338,086.46 and 67,655.64 is: 101,453.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,457.40 : 338,086.46 = 67,655.64 : x
  2. Step 2: Convert to fraction form
    225,457.40/338,086.46 = 67,655.64/x
  3. Step 3: Cross multiply
    225,457.40x = 338,086.46 × 67,655.64
  4. Step 4: Simplify right side
    225,457.40x = 22,873,455,826.63
  5. Step 5: Solve for x
    x = 22,873,455,826.63/225,457.40
  6. Step 6: Final answer
    x = 101,453.56

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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.