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Finding the Fourth Proportional to 235,087.69, 324,421.67 and 127,659.52

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Solution

The fourth proportional to 235,087.69, 324,421.67 and 127,659.52 is: 176,170.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,087.69 : 324,421.67 = 127,659.52 : x
  2. Step 2: Convert to fraction form
    235,087.69/324,421.67 = 127,659.52/x
  3. Step 3: Cross multiply
    235,087.69x = 324,421.67 × 127,659.52
  4. Step 4: Simplify right side
    235,087.69x = 41,415,514,669.80
  5. Step 5: Solve for x
    x = 41,415,514,669.80/235,087.69
  6. Step 6: Final answer
    x = 176,170.49

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.