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Finding the Fourth Proportional to 171,404.70, 257,107.05 and 45,044.70

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Solution

The fourth proportional to 171,404.70, 257,107.05 and 45,044.70 is: 67,567.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,404.70 : 257,107.05 = 45,044.70 : x
  2. Step 2: Convert to fraction form
    171,404.70/257,107.05 = 45,044.70/x
  3. Step 3: Cross multiply
    171,404.70x = 257,107.05 × 45,044.70
  4. Step 4: Simplify right side
    171,404.70x = 11,581,309,935.14
  5. Step 5: Solve for x
    x = 11,581,309,935.14/171,404.70
  6. Step 6: Final answer
    x = 67,567.05

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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.