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Finding the Fourth Proportional to 237,516, 356,429.52 and 89,772

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Solution

The fourth proportional to 237,516, 356,429.52 and 89,772 is: 134,716.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,516 : 356,429.52 = 89,772 : x
  2. Step 2: Convert to fraction form
    237,516/356,429.52 = 89,772/x
  3. Step 3: Cross multiply
    237,516x = 356,429.52 × 89,772
  4. Step 4: Simplify right side
    237,516x = 31,997,390,869.44
  5. Step 5: Solve for x
    x = 31,997,390,869.44/237,516
  6. Step 6: Final answer
    x = 134,716.78

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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.