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Finding the Fourth Proportional to 86,804.18, 119,793.18 and 50,993.88

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Solution

The fourth proportional to 86,804.18, 119,793.18 and 50,993.88 is: 70,373.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,804.18 : 119,793.18 = 50,993.88 : x
  2. Step 2: Convert to fraction form
    86,804.18/119,793.18 = 50,993.88/x
  3. Step 3: Cross multiply
    86,804.18x = 119,793.18 × 50,993.88
  4. Step 4: Simplify right side
    86,804.18x = 6,108,719,045.74
  5. Step 5: Solve for x
    x = 6,108,719,045.74/86,804.18
  6. Step 6: Final answer
    x = 70,373.56

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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.