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Finding the Fourth Proportional to 171,722.52, 257,580.90 and 47,063.52

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Solution

The fourth proportional to 171,722.52, 257,580.90 and 47,063.52 is: 70,594.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,722.52 : 257,580.90 = 47,063.52 : x
  2. Step 2: Convert to fraction form
    171,722.52/257,580.90 = 47,063.52/x
  3. Step 3: Cross multiply
    171,722.52x = 257,580.90 × 47,063.52
  4. Step 4: Simplify right side
    171,722.52x = 12,122,663,838.77
  5. Step 5: Solve for x
    x = 12,122,663,838.77/171,722.52
  6. Step 6: Final answer
    x = 70,594.49

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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.