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Finding the Fourth Proportional to 86,652.15, 119,575.68 and 48,404.11

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Solution

The fourth proportional to 86,652.15, 119,575.68 and 48,404.11 is: 66,795.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,652.15 : 119,575.68 = 48,404.11 : x
  2. Step 2: Convert to fraction form
    86,652.15/119,575.68 = 48,404.11/x
  3. Step 3: Cross multiply
    86,652.15x = 119,575.68 × 48,404.11
  4. Step 4: Simplify right side
    86,652.15x = 5,787,954,368.04
  5. Step 5: Solve for x
    x = 5,787,954,368.04/86,652.15
  6. Step 6: Final answer
    x = 66,795.28

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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.