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Finding the Fourth Proportional to 361,816.95, 542,342.38 and 121,702.27

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Solution

The fourth proportional to 361,816.95, 542,342.38 and 121,702.27 is: 182,424.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,816.95 : 542,342.38 = 121,702.27 : x
  2. Step 2: Convert to fraction form
    361,816.95/542,342.38 = 121,702.27/x
  3. Step 3: Cross multiply
    361,816.95x = 542,342.38 × 121,702.27
  4. Step 4: Simplify right side
    361,816.95x = 66,004,298,763.20
  5. Step 5: Solve for x
    x = 66,004,298,763.20/361,816.95
  6. Step 6: Final answer
    x = 182,424.56

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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.