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Finding the Fourth Proportional to 136,426.40, 204,639.60 and 124,616.60

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Solution

The fourth proportional to 136,426.40, 204,639.60 and 124,616.60 is: 186,924.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,426.40 : 204,639.60 = 124,616.60 : x
  2. Step 2: Convert to fraction form
    136,426.40/204,639.60 = 124,616.60/x
  3. Step 3: Cross multiply
    136,426.40x = 204,639.60 × 124,616.60
  4. Step 4: Simplify right side
    136,426.40x = 25,501,491,177.36
  5. Step 5: Solve for x
    x = 25,501,491,177.36/136,426.40
  6. Step 6: Final answer
    x = 186,924.90

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1.5x scale

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.