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Finding the Fourth Proportional to 178,174.40, 245,884.63 and 101,691.94

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Solution

The fourth proportional to 178,174.40, 245,884.63 and 101,691.94 is: 140,337.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,174.40 : 245,884.63 = 101,691.94 : x
  2. Step 2: Convert to fraction form
    178,174.40/245,884.63 = 101,691.94/x
  3. Step 3: Cross multiply
    178,174.40x = 245,884.63 × 101,691.94
  4. Step 4: Simplify right side
    178,174.40x = 25,004,485,040.88
  5. Step 5: Solve for x
    x = 25,004,485,040.88/178,174.40
  6. Step 6: Final answer
    x = 140,337.14

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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.