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Finding the Fourth Proportional to 171,439.52, 256,900.92 and 152,752.96

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Solution

The fourth proportional to 171,439.52, 256,900.92 and 152,752.96 is: 228,899.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,439.52 : 256,900.92 = 152,752.96 : x
  2. Step 2: Convert to fraction form
    171,439.52/256,900.92 = 152,752.96/x
  3. Step 3: Cross multiply
    171,439.52x = 256,900.92 × 152,752.96
  4. Step 4: Simplify right side
    171,439.52x = 39,242,375,956.72
  5. Step 5: Solve for x
    x = 39,242,375,956.72/171,439.52
  6. Step 6: Final answer
    x = 228,899.24

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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.