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Finding the Fourth Proportional to 362,179,978.83, 542,906,707.55 and 168,227,611.56

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Solution

The fourth proportional to 362,179,978.83, 542,906,707.55 and 168,227,611.56 is: 252,172,687.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,179,978.83 : 542,906,707.55 = 168,227,611.56 : x
  2. Step 2: Convert to fraction form
    362,179,978.83/542,906,707.55 = 168,227,611.56/x
  3. Step 3: Cross multiply
    362,179,978.83x = 542,906,707.55 × 168,227,611.56
  4. Step 4: Simplify right side
    362,179,978.83x = 91,331,898,710,198,768
  5. Step 5: Solve for x
    x = 91,331,898,710,198,768/362,179,978.83
  6. Step 6: Final answer
    x = 252,172,687.75

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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.