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Finding the Fourth Proportional to 157,787.87, 236,683.89 and 52,606.87

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Solution

The fourth proportional to 157,787.87, 236,683.89 and 52,606.87 is: 78,911.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,787.87 : 236,683.89 = 52,606.87 : x
  2. Step 2: Convert to fraction form
    157,787.87/236,683.89 = 52,606.87/x
  3. Step 3: Cross multiply
    157,787.87x = 236,683.89 × 52,606.87
  4. Step 4: Simplify right side
    157,787.87x = 12,451,198,583.03
  5. Step 5: Solve for x
    x = 12,451,198,583.03/157,787.87
  6. Step 6: Final answer
    x = 78,911.00

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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.