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Finding the Fourth Proportional to 172,089.54, 237,486.33 and 96,636.42

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Solution

The fourth proportional to 172,089.54, 237,486.33 and 96,636.42 is: 133,359.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,089.54 : 237,486.33 = 96,636.42 : x
  2. Step 2: Convert to fraction form
    172,089.54/237,486.33 = 96,636.42/x
  3. Step 3: Cross multiply
    172,089.54x = 237,486.33 × 96,636.42
  4. Step 4: Simplify right side
    172,089.54x = 22,949,828,730.14
  5. Step 5: Solve for x
    x = 22,949,828,730.14/172,089.54
  6. Step 6: Final answer
    x = 133,359.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.