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Finding the Fourth Proportional to 192,116.34, 288,174.51 and 98,562.42

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Solution

The fourth proportional to 192,116.34, 288,174.51 and 98,562.42 is: 147,843.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,116.34 : 288,174.51 = 98,562.42 : x
  2. Step 2: Convert to fraction form
    192,116.34/288,174.51 = 98,562.42/x
  3. Step 3: Cross multiply
    192,116.34x = 288,174.51 × 98,562.42
  4. Step 4: Simplify right side
    192,116.34x = 28,403,177,087.91
  5. Step 5: Solve for x
    x = 28,403,177,087.91/192,116.34
  6. Step 6: Final answer
    x = 147,843.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.