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Finding the Fourth Proportional to 85,652.62, 118,234.62 and 58,063.61

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Solution

The fourth proportional to 85,652.62, 118,234.62 and 58,063.61 is: 80,150.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,652.62 : 118,234.62 = 58,063.61 : x
  2. Step 2: Convert to fraction form
    85,652.62/118,234.62 = 58,063.61/x
  3. Step 3: Cross multiply
    85,652.62x = 118,234.62 × 58,063.61
  4. Step 4: Simplify right side
    85,652.62x = 6,865,129,159.76
  5. Step 5: Solve for x
    x = 6,865,129,159.76/85,652.62
  6. Step 6: Final answer
    x = 80,150.84

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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.