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Finding the Fourth Proportional to 86,575.73, 119,454.21 and 52,583.27

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Solution

The fourth proportional to 86,575.73, 119,454.21 and 52,583.27 is: 72,552.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,575.73 : 119,454.21 = 52,583.27 : x
  2. Step 2: Convert to fraction form
    86,575.73/119,454.21 = 52,583.27/x
  3. Step 3: Cross multiply
    86,575.73x = 119,454.21 × 52,583.27
  4. Step 4: Simplify right side
    86,575.73x = 6,281,292,379.80
  5. Step 5: Solve for x
    x = 6,281,292,379.80/86,575.73
  6. Step 6: Final answer
    x = 72,552.58

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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.