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Finding the Fourth Proportional to 171,676.68, 257,475.66 and 47,027.40

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Solution

The fourth proportional to 171,676.68, 257,475.66 and 47,027.40 is: 70,530.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,676.68 : 257,475.66 = 47,027.40 : x
  2. Step 2: Convert to fraction form
    171,676.68/257,475.66 = 47,027.40/x
  3. Step 3: Cross multiply
    171,676.68x = 257,475.66 × 47,027.40
  4. Step 4: Simplify right side
    171,676.68x = 12,108,410,853.08
  5. Step 5: Solve for x
    x = 12,108,410,853.08/171,676.68
  6. Step 6: Final answer
    x = 70,530.32

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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.