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Finding the Fourth Proportional to 231,304.72, 347,035.88 and 124,699

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Solution

The fourth proportional to 231,304.72, 347,035.88 and 124,699 is: 187,090.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,304.72 : 347,035.88 = 124,699 : x
  2. Step 2: Convert to fraction form
    231,304.72/347,035.88 = 124,699/x
  3. Step 3: Cross multiply
    231,304.72x = 347,035.88 × 124,699
  4. Step 4: Simplify right side
    231,304.72x = 43,275,027,200.12
  5. Step 5: Solve for x
    x = 43,275,027,200.12/231,304.72
  6. Step 6: Final answer
    x = 187,090.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.