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Finding the Fourth Proportional to 86,365.92, 119,181.81 and 48,123.49

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Solution

The fourth proportional to 86,365.92, 119,181.81 and 48,123.49 is: 66,408.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,365.92 : 119,181.81 = 48,123.49 : x
  2. Step 2: Convert to fraction form
    86,365.92/119,181.81 = 48,123.49/x
  3. Step 3: Cross multiply
    86,365.92x = 119,181.81 × 48,123.49
  4. Step 4: Simplify right side
    86,365.92x = 5,735,444,641.72
  5. Step 5: Solve for x
    x = 5,735,444,641.72/86,365.92
  6. Step 6: Final answer
    x = 66,408.66

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1.5x scale

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.