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Finding the Fourth Proportional to 226,066.48, 311,972.60 and 125,464.48

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Solution

The fourth proportional to 226,066.48, 311,972.60 and 125,464.48 is: 173,141.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,066.48 : 311,972.60 = 125,464.48 : x
  2. Step 2: Convert to fraction form
    226,066.48/311,972.60 = 125,464.48/x
  3. Step 3: Cross multiply
    226,066.48x = 311,972.60 × 125,464.48
  4. Step 4: Simplify right side
    226,066.48x = 39,141,480,033.25
  5. Step 5: Solve for x
    x = 39,141,480,033.25/226,066.48
  6. Step 6: Final answer
    x = 173,141.46

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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.