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Finding the Fourth Proportional to 168,730.47, 253,095.62 and 154,650.92

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Solution

The fourth proportional to 168,730.47, 253,095.62 and 154,650.92 is: 231,976.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,730.47 : 253,095.62 = 154,650.92 : x
  2. Step 2: Convert to fraction form
    168,730.47/253,095.62 = 154,650.92/x
  3. Step 3: Cross multiply
    168,730.47x = 253,095.62 × 154,650.92
  4. Step 4: Simplify right side
    168,730.47x = 39,141,468,442.24
  5. Step 5: Solve for x
    x = 39,141,468,442.24/168,730.47
  6. Step 6: Final answer
    x = 231,976.29

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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.