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Finding the Fourth Proportional to 171,348.15, 257,022.17 and 46,689.15

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Solution

The fourth proportional to 171,348.15, 257,022.17 and 46,689.15 is: 70,033.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,348.15 : 257,022.17 = 46,689.15 : x
  2. Step 2: Convert to fraction form
    171,348.15/257,022.17 = 46,689.15/x
  3. Step 3: Cross multiply
    171,348.15x = 257,022.17 × 46,689.15
  4. Step 4: Simplify right side
    171,348.15x = 12,000,146,415.01
  5. Step 5: Solve for x
    x = 12,000,146,415.01/171,348.15
  6. Step 6: Final answer
    x = 70,033.71

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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.