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Finding the Fourth Proportional to 86,499.60, 119,370.36 and 48,773.84

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Solution

The fourth proportional to 86,499.60, 119,370.36 and 48,773.84 is: 67,308.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,499.60 : 119,370.36 = 48,773.84 : x
  2. Step 2: Convert to fraction form
    86,499.60/119,370.36 = 48,773.84/x
  3. Step 3: Cross multiply
    86,499.60x = 119,370.36 × 48,773.84
  4. Step 4: Simplify right side
    86,499.60x = 5,822,150,839.38
  5. Step 5: Solve for x
    x = 5,822,150,839.38/86,499.60
  6. Step 6: Final answer
    x = 67,308.41

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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.