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Finding the Fourth Proportional to 172,328.52, 237,834.78 and 96,877.08

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Solution

The fourth proportional to 172,328.52, 237,834.78 and 96,877.08 is: 133,702.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,328.52 : 237,834.78 = 96,877.08 : x
  2. Step 2: Convert to fraction form
    172,328.52/237,834.78 = 96,877.08/x
  3. Step 3: Cross multiply
    172,328.52x = 237,834.78 × 96,877.08
  4. Step 4: Simplify right side
    172,328.52x = 23,040,739,008.84
  5. Step 5: Solve for x
    x = 23,040,739,008.84/172,328.52
  6. Step 6: Final answer
    x = 133,702.41

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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.