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Finding the Fourth Proportional to 172,118.78, 237,498.15 and 96,652.70

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Solution

The fourth proportional to 172,118.78, 237,498.15 and 96,652.70 is: 133,366.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,118.78 : 237,498.15 = 96,652.70 : x
  2. Step 2: Convert to fraction form
    172,118.78/237,498.15 = 96,652.70/x
  3. Step 3: Cross multiply
    172,118.78x = 237,498.15 × 96,652.70
  4. Step 4: Simplify right side
    172,118.78x = 22,954,837,442.51
  5. Step 5: Solve for x
    x = 22,954,837,442.51/172,118.78
  6. Step 6: Final answer
    x = 133,366.26

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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.