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Finding the Fourth Proportional to 86,562.67, 119,462.49 and 48,329.74

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Solution

The fourth proportional to 86,562.67, 119,462.49 and 48,329.74 is: 66,698.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,562.67 : 119,462.49 = 48,329.74 : x
  2. Step 2: Convert to fraction form
    86,562.67/119,462.49 = 48,329.74/x
  3. Step 3: Cross multiply
    86,562.67x = 119,462.49 × 48,329.74
  4. Step 4: Simplify right side
    86,562.67x = 5,773,591,081.45
  5. Step 5: Solve for x
    x = 5,773,591,081.45/86,562.67
  6. Step 6: Final answer
    x = 66,698.39

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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.