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Finding the Fourth Proportional to 136,367.40, 204,551.10 and 124,557.60

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Solution

The fourth proportional to 136,367.40, 204,551.10 and 124,557.60 is: 186,836.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,367.40 : 204,551.10 = 124,557.60 : x
  2. Step 2: Convert to fraction form
    136,367.40/204,551.10 = 124,557.60/x
  3. Step 3: Cross multiply
    136,367.40x = 204,551.10 × 124,557.60
  4. Step 4: Simplify right side
    136,367.40x = 25,478,394,093.36
  5. Step 5: Solve for x
    x = 25,478,394,093.36/136,367.40
  6. Step 6: Final answer
    x = 186,836.40

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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.