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Finding the Fourth Proportional to 254,290.80, 350,923.40 and 141,115.44

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Solution

The fourth proportional to 254,290.80, 350,923.40 and 141,115.44 is: 194,740.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,290.80 : 350,923.40 = 141,115.44 : x
  2. Step 2: Convert to fraction form
    254,290.80/350,923.40 = 141,115.44/x
  3. Step 3: Cross multiply
    254,290.80x = 350,923.40 × 141,115.44
  4. Step 4: Simplify right side
    254,290.80x = 49,520,709,997.30
  5. Step 5: Solve for x
    x = 49,520,709,997.30/254,290.80
  6. Step 6: Final answer
    x = 194,740.47

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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.