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Finding the Fourth Proportional to 80,502.58, 120,750.62 and 41,058.82

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Solution

The fourth proportional to 80,502.58, 120,750.62 and 41,058.82 is: 61,586.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,502.58 : 120,750.62 = 41,058.82 : x
  2. Step 2: Convert to fraction form
    80,502.58/120,750.62 = 41,058.82/x
  3. Step 3: Cross multiply
    80,502.58x = 120,750.62 × 41,058.82
  4. Step 4: Simplify right side
    80,502.58x = 4,957,877,971.47
  5. Step 5: Solve for x
    x = 4,957,877,971.47/80,502.58
  6. Step 6: Final answer
    x = 61,586.57

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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.