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Finding the Fourth Proportional to 172,941.06, 238,658.67 and 97,489.56

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Solution

The fourth proportional to 172,941.06, 238,658.67 and 97,489.56 is: 134,535.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,941.06 : 238,658.67 = 97,489.56 : x
  2. Step 2: Convert to fraction form
    172,941.06/238,658.67 = 97,489.56/x
  3. Step 3: Cross multiply
    172,941.06x = 238,658.67 × 97,489.56
  4. Step 4: Simplify right side
    172,941.06x = 23,266,728,728.49
  5. Step 5: Solve for x
    x = 23,266,728,728.49/172,941.06
  6. Step 6: Final answer
    x = 134,535.60

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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.