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Finding the Fourth Proportional to 171,201.80, 256,752.48 and 64,508.78

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Solution

The fourth proportional to 171,201.80, 256,752.48 and 64,508.78 is: 96,744.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,201.80 : 256,752.48 = 64,508.78 : x
  2. Step 2: Convert to fraction form
    171,201.80/256,752.48 = 64,508.78/x
  3. Step 3: Cross multiply
    171,201.80x = 256,752.48 × 64,508.78
  4. Step 4: Simplify right side
    171,201.80x = 16,562,789,246.77
  5. Step 5: Solve for x
    x = 16,562,789,246.77/171,201.80
  6. Step 6: Final answer
    x = 96,744.25

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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.