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Finding the Fourth Proportional to 253,924.90, 350,174.61 and 151,934.15

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Solution

The fourth proportional to 253,924.90, 350,174.61 and 151,934.15 is: 209,524.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,924.90 : 350,174.61 = 151,934.15 : x
  2. Step 2: Convert to fraction form
    253,924.90/350,174.61 = 151,934.15/x
  3. Step 3: Cross multiply
    253,924.90x = 350,174.61 × 151,934.15
  4. Step 4: Simplify right side
    253,924.90x = 53,203,482,597.37
  5. Step 5: Solve for x
    x = 53,203,482,597.37/253,924.90
  6. Step 6: Final answer
    x = 209,524.48

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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.