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Finding the Fourth Proportional to 171,787.77, 257,699.34 and 59,467.77

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Solution

The fourth proportional to 171,787.77, 257,699.34 and 59,467.77 is: 89,207.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,787.77 : 257,699.34 = 59,467.77 : x
  2. Step 2: Convert to fraction form
    171,787.77/257,699.34 = 59,467.77/x
  3. Step 3: Cross multiply
    171,787.77x = 257,699.34 × 59,467.77
  4. Step 4: Simplify right side
    171,787.77x = 15,324,805,080.27
  5. Step 5: Solve for x
    x = 15,324,805,080.27/171,787.77
  6. Step 6: Final answer
    x = 89,207.78

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1.5x scale

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.