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Finding the Fourth Proportional to 230,371.53, 345,533.93 and 61,869.96

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Solution

The fourth proportional to 230,371.53, 345,533.93 and 61,869.96 is: 92,798.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,371.53 : 345,533.93 = 61,869.96 : x
  2. Step 2: Convert to fraction form
    230,371.53/345,533.93 = 61,869.96/x
  3. Step 3: Cross multiply
    230,371.53x = 345,533.93 × 61,869.96
  4. Step 4: Simplify right side
    230,371.53x = 21,378,170,350.41
  5. Step 5: Solve for x
    x = 21,378,170,350.41/230,371.53
  6. Step 6: Final answer
    x = 92,798.67

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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.