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Finding the Fourth Proportional to 133,000.56, 199,574.28 and 54,170.28

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Solution

The fourth proportional to 133,000.56, 199,574.28 and 54,170.28 is: 81,285.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,000.56 : 199,574.28 = 54,170.28 : x
  2. Step 2: Convert to fraction form
    133,000.56/199,574.28 = 54,170.28/x
  3. Step 3: Cross multiply
    133,000.56x = 199,574.28 × 54,170.28
  4. Step 4: Simplify right side
    133,000.56x = 10,810,994,628.40
  5. Step 5: Solve for x
    x = 10,810,994,628.40/133,000.56
  6. Step 6: Final answer
    x = 81,285.33

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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.