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Finding the Fourth Proportional to 171,176.56, 256,765.56 and 112,384.24

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Solution

The fourth proportional to 171,176.56, 256,765.56 and 112,384.24 is: 168,576.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,176.56 : 256,765.56 = 112,384.24 : x
  2. Step 2: Convert to fraction form
    171,176.56/256,765.56 = 112,384.24/x
  3. Step 3: Cross multiply
    171,176.56x = 256,765.56 × 112,384.24
  4. Step 4: Simplify right side
    171,176.56x = 28,856,402,318.77
  5. Step 5: Solve for x
    x = 28,856,402,318.77/171,176.56
  6. Step 6: Final answer
    x = 168,576.83

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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.