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Finding the Fourth Proportional to 136,599.71, 188,526.08 and 80,033.63

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Solution

The fourth proportional to 136,599.71, 188,526.08 and 80,033.63 is: 110,457.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,599.71 : 188,526.08 = 80,033.63 : x
  2. Step 2: Convert to fraction form
    136,599.71/188,526.08 = 80,033.63/x
  3. Step 3: Cross multiply
    136,599.71x = 188,526.08 × 80,033.63
  4. Step 4: Simplify right side
    136,599.71x = 15,088,425,789.52
  5. Step 5: Solve for x
    x = 15,088,425,789.52/136,599.71
  6. Step 6: Final answer
    x = 110,457.24

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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.