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Finding the Fourth Proportional to 160,029.15, 220,837.05 and 88,408.50

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Solution

The fourth proportional to 160,029.15, 220,837.05 and 88,408.50 is: 122,001.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,029.15 : 220,837.05 = 88,408.50 : x
  2. Step 2: Convert to fraction form
    160,029.15/220,837.05 = 88,408.50/x
  3. Step 3: Cross multiply
    160,029.15x = 220,837.05 × 88,408.50
  4. Step 4: Simplify right side
    160,029.15x = 19,523,872,334.93
  5. Step 5: Solve for x
    x = 19,523,872,334.93/160,029.15
  6. Step 6: Final answer
    x = 122,001.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.