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Finding the Fourth Proportional to 167,615.91, 231,276.83 and 94,030.83

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Solution

The fourth proportional to 167,615.91, 231,276.83 and 94,030.83 is: 129,743.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,615.91 : 231,276.83 = 94,030.83 : x
  2. Step 2: Convert to fraction form
    167,615.91/231,276.83 = 94,030.83/x
  3. Step 3: Cross multiply
    167,615.91x = 231,276.83 × 94,030.83
  4. Step 4: Simplify right side
    167,615.91x = 21,747,151,814.51
  5. Step 5: Solve for x
    x = 21,747,151,814.51/167,615.91
  6. Step 6: Final answer
    x = 129,743.96

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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.