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Finding the Fourth Proportional to 134,668.49, 185,834.17 and 74,236.01

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Solution

The fourth proportional to 134,668.49, 185,834.17 and 74,236.01 is: 102,441.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,668.49 : 185,834.17 = 74,236.01 : x
  2. Step 2: Convert to fraction form
    134,668.49/185,834.17 = 74,236.01/x
  3. Step 3: Cross multiply
    134,668.49x = 185,834.17 × 74,236.01
  4. Step 4: Simplify right side
    134,668.49x = 13,795,587,302.46
  5. Step 5: Solve for x
    x = 13,795,587,302.46/134,668.49
  6. Step 6: Final answer
    x = 102,441.09

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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.