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Finding the Fourth Proportional to 231,606.06, 316,697.87 and 231,606.06

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Solution

The fourth proportional to 231,606.06, 316,697.87 and 231,606.06 is: 316,697.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,606.06 : 316,697.87 = 231,606.06 : x
  2. Step 2: Convert to fraction form
    231,606.06/316,697.87 = 231,606.06/x
  3. Step 3: Cross multiply
    231,606.06x = 316,697.87 × 231,606.06
  4. Step 4: Simplify right side
    231,606.06x = 73,349,144,723.06
  5. Step 5: Solve for x
    x = 73,349,144,723.06/231,606.06
  6. Step 6: Final answer
    x = 316,697.87

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.