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Finding the Fourth Proportional to 172,360.36, 237,866.34 and 96,913.72

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Solution

The fourth proportional to 172,360.36, 237,866.34 and 96,913.72 is: 133,746.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,360.36 : 237,866.34 = 96,913.72 : x
  2. Step 2: Convert to fraction form
    172,360.36/237,866.34 = 96,913.72/x
  3. Step 3: Cross multiply
    172,360.36x = 237,866.34 × 96,913.72
  4. Step 4: Simplify right side
    172,360.36x = 23,052,511,872.18
  5. Step 5: Solve for x
    x = 23,052,511,872.18/172,360.36
  6. Step 6: Final answer
    x = 133,746.02

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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.