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Finding the Fourth Proportional to 164,025.60, 226,357.60 and 91,426.48

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Solution

The fourth proportional to 164,025.60, 226,357.60 and 91,426.48 is: 126,169.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,025.60 : 226,357.60 = 91,426.48 : x
  2. Step 2: Convert to fraction form
    164,025.60/226,357.60 = 91,426.48/x
  3. Step 3: Cross multiply
    164,025.60x = 226,357.60 × 91,426.48
  4. Step 4: Simplify right side
    164,025.60x = 20,695,079,259.43
  5. Step 5: Solve for x
    x = 20,695,079,259.43/164,025.60
  6. Step 6: Final answer
    x = 126,169.81

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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.