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Finding the Fourth Proportional to 172,329.52, 237,836.10 and 96,878.02

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Solution

The fourth proportional to 172,329.52, 237,836.10 and 96,878.02 is: 133,703.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,329.52 : 237,836.10 = 96,878.02 : x
  2. Step 2: Convert to fraction form
    172,329.52/237,836.10 = 96,878.02/x
  3. Step 3: Cross multiply
    172,329.52x = 237,836.10 × 96,878.02
  4. Step 4: Simplify right side
    172,329.52x = 23,041,090,452.52
  5. Step 5: Solve for x
    x = 23,041,090,452.52/172,329.52
  6. Step 6: Final answer
    x = 133,703.68

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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.