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Finding the Fourth Proportional to 86,663.99, 119,597.10 and 50,854.61

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Solution

The fourth proportional to 86,663.99, 119,597.10 and 50,854.61 is: 70,179.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,663.99 : 119,597.10 = 50,854.61 : x
  2. Step 2: Convert to fraction form
    86,663.99/119,597.10 = 50,854.61/x
  3. Step 3: Cross multiply
    86,663.99x = 119,597.10 × 50,854.61
  4. Step 4: Simplify right side
    86,663.99x = 6,082,063,279.65
  5. Step 5: Solve for x
    x = 6,082,063,279.65/86,663.99
  6. Step 6: Final answer
    x = 70,179.82

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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.