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Finding the Fourth Proportional to 236,709, 326,668.14 and 136,107

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Solution

The fourth proportional to 236,709, 326,668.14 and 136,107 is: 187,833.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,709 : 326,668.14 = 136,107 : x
  2. Step 2: Convert to fraction form
    236,709/326,668.14 = 136,107/x
  3. Step 3: Cross multiply
    236,709x = 326,668.14 × 136,107
  4. Step 4: Simplify right side
    236,709x = 44,461,820,530.98
  5. Step 5: Solve for x
    x = 44,461,820,530.98/236,709
  6. Step 6: Final answer
    x = 187,833.25

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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.