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Finding the Fourth Proportional to 173,406.54, 260,115.15 and 47,046.29

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Solution

The fourth proportional to 173,406.54, 260,115.15 and 47,046.29 is: 70,570.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,406.54 : 260,115.15 = 47,046.29 : x
  2. Step 2: Convert to fraction form
    173,406.54/260,115.15 = 47,046.29/x
  3. Step 3: Cross multiply
    173,406.54x = 260,115.15 × 47,046.29
  4. Step 4: Simplify right side
    173,406.54x = 12,237,451,479.72
  5. Step 5: Solve for x
    x = 12,237,451,479.72/173,406.54
  6. Step 6: Final answer
    x = 70,570.88

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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.