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Finding the Fourth Proportional to 151,710.90, 227,566.35 and 92,661.90

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Solution

The fourth proportional to 151,710.90, 227,566.35 and 92,661.90 is: 138,992.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,710.90 : 227,566.35 = 92,661.90 : x
  2. Step 2: Convert to fraction form
    151,710.90/227,566.35 = 92,661.90/x
  3. Step 3: Cross multiply
    151,710.90x = 227,566.35 × 92,661.90
  4. Step 4: Simplify right side
    151,710.90x = 21,086,730,367.07
  5. Step 5: Solve for x
    x = 21,086,730,367.07/151,710.90
  6. Step 6: Final answer
    x = 138,992.85

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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.