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Finding the Fourth Proportional to 229,878.39, 317,227.26 and 133,086.33

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Solution

The fourth proportional to 229,878.39, 317,227.26 and 133,086.33 is: 183,656.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,878.39 : 317,227.26 = 133,086.33 : x
  2. Step 2: Convert to fraction form
    229,878.39/317,227.26 = 133,086.33/x
  3. Step 3: Cross multiply
    229,878.39x = 317,227.26 × 133,086.33
  4. Step 4: Simplify right side
    229,878.39x = 42,218,611,809.36
  5. Step 5: Solve for x
    x = 42,218,611,809.36/229,878.39
  6. Step 6: Final answer
    x = 183,656.29

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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.