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Finding the Fourth Proportional to 226,808.88, 312,865.90 and 141,778.32

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Solution

The fourth proportional to 226,808.88, 312,865.90 and 141,778.32 is: 195,572.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,808.88 : 312,865.90 = 141,778.32 : x
  2. Step 2: Convert to fraction form
    226,808.88/312,865.90 = 141,778.32/x
  3. Step 3: Cross multiply
    226,808.88x = 312,865.90 × 141,778.32
  4. Step 4: Simplify right side
    226,808.88x = 44,357,601,687.29
  5. Step 5: Solve for x
    x = 44,357,601,687.29/226,808.88
  6. Step 6: Final answer
    x = 195,572.60

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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.