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Finding the Fourth Proportional to 176,530.88, 243,610.72 and 131,410.64

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Solution

The fourth proportional to 176,530.88, 243,610.72 and 131,410.64 is: 181,345.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,530.88 : 243,610.72 = 131,410.64 : x
  2. Step 2: Convert to fraction form
    176,530.88/243,610.72 = 131,410.64/x
  3. Step 3: Cross multiply
    176,530.88x = 243,610.72 × 131,410.64
  4. Step 4: Simplify right side
    176,530.88x = 32,013,040,626.06
  5. Step 5: Solve for x
    x = 32,013,040,626.06/176,530.88
  6. Step 6: Final answer
    x = 181,345.27

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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.