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Finding the Fourth Proportional to 133,392.06, 200,014.22 and 54,561.66

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Solution

The fourth proportional to 133,392.06, 200,014.22 and 54,561.66 is: 81,812.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,392.06 : 200,014.22 = 54,561.66 : x
  2. Step 2: Convert to fraction form
    133,392.06/200,014.22 = 54,561.66/x
  3. Step 3: Cross multiply
    133,392.06x = 200,014.22 × 54,561.66
  4. Step 4: Simplify right side
    133,392.06x = 10,913,107,866.81
  5. Step 5: Solve for x
    x = 10,913,107,866.81/133,392.06
  6. Step 6: Final answer
    x = 81,812.27

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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.