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Finding the Fourth Proportional to 80,060.69, 119,993.93 and 58,803.63

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Solution

The fourth proportional to 80,060.69, 119,993.93 and 58,803.63 is: 88,134.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,060.69 : 119,993.93 = 58,803.63 : x
  2. Step 2: Convert to fraction form
    80,060.69/119,993.93 = 58,803.63/x
  3. Step 3: Cross multiply
    80,060.69x = 119,993.93 × 58,803.63
  4. Step 4: Simplify right side
    80,060.69x = 7,056,078,138.48
  5. Step 5: Solve for x
    x = 7,056,078,138.48/80,060.69
  6. Step 6: Final answer
    x = 88,134.11

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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.