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Finding the Fourth Proportional to 86,562.61, 119,462.42 and 48,329.69

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Solution

The fourth proportional to 86,562.61, 119,462.42 and 48,329.69 is: 66,698.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,562.61 : 119,462.42 = 48,329.69 : x
  2. Step 2: Convert to fraction form
    86,562.61/119,462.42 = 48,329.69/x
  3. Step 3: Cross multiply
    86,562.61x = 119,462.42 × 48,329.69
  4. Step 4: Simplify right side
    86,562.61x = 5,773,581,248.76
  5. Step 5: Solve for x
    x = 5,773,581,248.76/86,562.61
  6. Step 6: Final answer
    x = 66,698.33

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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.