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Finding the Fourth Proportional to 133,393.06, 200,015.72 and 54,562.64

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Solution

The fourth proportional to 133,393.06, 200,015.72 and 54,562.64 is: 81,813.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,393.06 : 200,015.72 = 54,562.64 : x
  2. Step 2: Convert to fraction form
    133,393.06/200,015.72 = 54,562.64/x
  3. Step 3: Cross multiply
    133,393.06x = 200,015.72 × 54,562.64
  4. Step 4: Simplify right side
    133,393.06x = 10,913,385,724.70
  5. Step 5: Solve for x
    x = 10,913,385,724.70/133,393.06
  6. Step 6: Final answer
    x = 81,813.74

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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.