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Finding the Fourth Proportional to 86,353.48, 119,173.90 and 48,115.54

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Solution

The fourth proportional to 86,353.48, 119,173.90 and 48,115.54 is: 66,402.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,353.48 : 119,173.90 = 48,115.54 : x
  2. Step 2: Convert to fraction form
    86,353.48/119,173.90 = 48,115.54/x
  3. Step 3: Cross multiply
    86,353.48x = 119,173.90 × 48,115.54
  4. Step 4: Simplify right side
    86,353.48x = 5,734,116,552.41
  5. Step 5: Solve for x
    x = 5,734,116,552.41/86,353.48
  6. Step 6: Final answer
    x = 66,402.84

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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.