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Finding the Fourth Proportional to 73,230.60, 109,748.70 and 38,160.84

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Solution

The fourth proportional to 73,230.60, 109,748.70 and 38,160.84 is: 57,190.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,230.60 : 109,748.70 = 38,160.84 : x
  2. Step 2: Convert to fraction form
    73,230.60/109,748.70 = 38,160.84/x
  3. Step 3: Cross multiply
    73,230.60x = 109,748.70 × 38,160.84
  4. Step 4: Simplify right side
    73,230.60x = 4,188,102,580.91
  5. Step 5: Solve for x
    x = 4,188,102,580.91/73,230.60
  6. Step 6: Final answer
    x = 57,190.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.