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Finding the Fourth Proportional to 133,048.70, 199,597.35 and 54,170.90

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Solution

The fourth proportional to 133,048.70, 199,597.35 and 54,170.90 is: 81,266.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,048.70 : 199,597.35 = 54,170.90 : x
  2. Step 2: Convert to fraction form
    133,048.70/199,597.35 = 54,170.90/x
  3. Step 3: Cross multiply
    133,048.70x = 199,597.35 × 54,170.90
  4. Step 4: Simplify right side
    133,048.70x = 10,812,368,087.12
  5. Step 5: Solve for x
    x = 10,812,368,087.12/133,048.70
  6. Step 6: Final answer
    x = 81,266.24

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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.