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Finding the Fourth Proportional to 136,083.81, 204,130.27 and 104,541.80

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Solution

The fourth proportional to 136,083.81, 204,130.27 and 104,541.80 is: 156,816.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,083.81 : 204,130.27 = 104,541.80 : x
  2. Step 2: Convert to fraction form
    136,083.81/204,130.27 = 104,541.80/x
  3. Step 3: Cross multiply
    136,083.81x = 204,130.27 × 104,541.80
  4. Step 4: Simplify right side
    136,083.81x = 21,340,145,860.29
  5. Step 5: Solve for x
    x = 21,340,145,860.29/136,083.81
  6. Step 6: Final answer
    x = 156,816.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.