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Finding the Fourth Proportional to 162,837.80, 244,248.06 and 52,021.16

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Solution

The fourth proportional to 162,837.80, 244,248.06 and 52,021.16 is: 78,028.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,837.80 : 244,248.06 = 52,021.16 : x
  2. Step 2: Convert to fraction form
    162,837.80/244,248.06 = 52,021.16/x
  3. Step 3: Cross multiply
    162,837.80x = 244,248.06 × 52,021.16
  4. Step 4: Simplify right side
    162,837.80x = 12,706,067,408.95
  5. Step 5: Solve for x
    x = 12,706,067,408.95/162,837.80
  6. Step 6: Final answer
    x = 78,028.98

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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.