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Finding the Fourth Proportional to 171,856.25, 257,722.86 and 59,506.30

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Solution

The fourth proportional to 171,856.25, 257,722.86 and 59,506.30 is: 89,238.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,856.25 : 257,722.86 = 59,506.30 : x
  2. Step 2: Convert to fraction form
    171,856.25/257,722.86 = 59,506.30/x
  3. Step 3: Cross multiply
    171,856.25x = 257,722.86 × 59,506.30
  4. Step 4: Simplify right side
    171,856.25x = 15,336,133,824.02
  5. Step 5: Solve for x
    x = 15,336,133,824.02/171,856.25
  6. Step 6: Final answer
    x = 89,238.15

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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.