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Finding the Fourth Proportional to 171,730.47, 257,262.15 and 96,621.60

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Solution

The fourth proportional to 171,730.47, 257,262.15 and 96,621.60 is: 144,744.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,730.47 : 257,262.15 = 96,621.60 : x
  2. Step 2: Convert to fraction form
    171,730.47/257,262.15 = 96,621.60/x
  3. Step 3: Cross multiply
    171,730.47x = 257,262.15 × 96,621.60
  4. Step 4: Simplify right side
    171,730.47x = 24,857,080,552.44
  5. Step 5: Solve for x
    x = 24,857,080,552.44/171,730.47
  6. Step 6: Final answer
    x = 144,744.73

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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.