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Finding the Fourth Proportional to 172,963.24, 238,700.24 and 97,516.60

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Solution

The fourth proportional to 172,963.24, 238,700.24 and 97,516.60 is: 134,579.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,963.24 : 238,700.24 = 97,516.60 : x
  2. Step 2: Convert to fraction form
    172,963.24/238,700.24 = 97,516.60/x
  3. Step 3: Cross multiply
    172,963.24x = 238,700.24 × 97,516.60
  4. Step 4: Simplify right side
    172,963.24x = 23,277,235,823.98
  5. Step 5: Solve for x
    x = 23,277,235,823.98/172,963.24
  6. Step 6: Final answer
    x = 134,579.09

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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.