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Finding the Fourth Proportional to 230,100.60, 345,162.60 and 72,330.60

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Solution

The fourth proportional to 230,100.60, 345,162.60 and 72,330.60 is: 108,499.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,100.60 : 345,162.60 = 72,330.60 : x
  2. Step 2: Convert to fraction form
    230,100.60/345,162.60 = 72,330.60/x
  3. Step 3: Cross multiply
    230,100.60x = 345,162.60 × 72,330.60
  4. Step 4: Simplify right side
    230,100.60x = 24,965,817,955.56
  5. Step 5: Solve for x
    x = 24,965,817,955.56/230,100.60
  6. Step 6: Final answer
    x = 108,499.58

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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.