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Finding the Fourth Proportional to 226,806.89, 312,863.15 and 141,776.33

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Solution

The fourth proportional to 226,806.89, 312,863.15 and 141,776.33 is: 195,569.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,806.89 : 312,863.15 = 141,776.33 : x
  2. Step 2: Convert to fraction form
    226,806.89/312,863.15 = 141,776.33/x
  3. Step 3: Cross multiply
    226,806.89x = 312,863.15 × 141,776.33
  4. Step 4: Simplify right side
    226,806.89x = 44,356,586,926.04
  5. Step 5: Solve for x
    x = 44,356,586,926.04/226,806.89
  6. Step 6: Final answer
    x = 195,569.84

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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.