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Finding the Fourth Proportional to 234,438.87, 351,653.43 and 56,946.81

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Solution

The fourth proportional to 234,438.87, 351,653.43 and 56,946.81 is: 85,419.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,438.87 : 351,653.43 = 56,946.81 : x
  2. Step 2: Convert to fraction form
    234,438.87/351,653.43 = 56,946.81/x
  3. Step 3: Cross multiply
    234,438.87x = 351,653.43 × 56,946.81
  4. Step 4: Simplify right side
    234,438.87x = 20,025,541,064.06
  5. Step 5: Solve for x
    x = 20,025,541,064.06/234,438.87
  6. Step 6: Final answer
    x = 85,419.03

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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.