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Finding the Fourth Proportional to 172,935.95, 238,704.80 and 101,339.04

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Solution

The fourth proportional to 172,935.95, 238,704.80 and 101,339.04 is: 139,879.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,935.95 : 238,704.80 = 101,339.04 : x
  2. Step 2: Convert to fraction form
    172,935.95/238,704.80 = 101,339.04/x
  3. Step 3: Cross multiply
    172,935.95x = 238,704.80 × 101,339.04
  4. Step 4: Simplify right side
    172,935.95x = 24,190,114,768.70
  5. Step 5: Solve for x
    x = 24,190,114,768.70/172,935.95
  6. Step 6: Final answer
    x = 139,879.04

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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.