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Finding the Fourth Proportional to 226,793.51, 312,974.75 and 140,720.48

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Solution

The fourth proportional to 226,793.51, 312,974.75 and 140,720.48 is: 194,194.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,793.51 : 312,974.75 = 140,720.48 : x
  2. Step 2: Convert to fraction form
    226,793.51/312,974.75 = 140,720.48/x
  3. Step 3: Cross multiply
    226,793.51x = 312,974.75 × 140,720.48
  4. Step 4: Simplify right side
    226,793.51x = 44,041,957,047.88
  5. Step 5: Solve for x
    x = 44,041,957,047.88/226,793.51
  6. Step 6: Final answer
    x = 194,194.08

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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.