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Finding the Fourth Proportional to 234,624.92, 351,933.72 and 57,130.42

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Solution

The fourth proportional to 234,624.92, 351,933.72 and 57,130.42 is: 85,694.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,624.92 : 351,933.72 = 57,130.42 : x
  2. Step 2: Convert to fraction form
    234,624.92/351,933.72 = 57,130.42/x
  3. Step 3: Cross multiply
    234,624.92x = 351,933.72 × 57,130.42
  4. Step 4: Simplify right side
    234,624.92x = 20,106,121,235.76
  5. Step 5: Solve for x
    x = 20,106,121,235.76/234,624.92
  6. Step 6: Final answer
    x = 85,694.74

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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.