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Finding the Fourth Proportional to 136,703.18, 205,054.21 and 36,873.48

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Solution

The fourth proportional to 136,703.18, 205,054.21 and 36,873.48 is: 55,310.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,703.18 : 205,054.21 = 36,873.48 : x
  2. Step 2: Convert to fraction form
    136,703.18/205,054.21 = 36,873.48/x
  3. Step 3: Cross multiply
    136,703.18x = 205,054.21 × 36,873.48
  4. Step 4: Simplify right side
    136,703.18x = 7,561,062,311.35
  5. Step 5: Solve for x
    x = 7,561,062,311.35/136,703.18
  6. Step 6: Final answer
    x = 55,310.07

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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.