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Finding the Fourth Proportional to 172,208.10, 237,650.04 and 94,687.02

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Solution

The fourth proportional to 172,208.10, 237,650.04 and 94,687.02 is: 130,669.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,208.10 : 237,650.04 = 94,687.02 : x
  2. Step 2: Convert to fraction form
    172,208.10/237,650.04 = 94,687.02/x
  3. Step 3: Cross multiply
    172,208.10x = 237,650.04 × 94,687.02
  4. Step 4: Simplify right side
    172,208.10x = 22,502,372,428.80
  5. Step 5: Solve for x
    x = 22,502,372,428.80/172,208.10
  6. Step 6: Final answer
    x = 130,669.66

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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.