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Finding the Fourth Proportional to 133,042.40, 199,520.40 and 44,280.80

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Solution

The fourth proportional to 133,042.40, 199,520.40 and 44,280.80 is: 66,406.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,042.40 : 199,520.40 = 44,280.80 : x
  2. Step 2: Convert to fraction form
    133,042.40/199,520.40 = 44,280.80/x
  3. Step 3: Cross multiply
    133,042.40x = 199,520.40 × 44,280.80
  4. Step 4: Simplify right side
    133,042.40x = 8,834,922,928.32
  5. Step 5: Solve for x
    x = 8,834,922,928.32/133,042.40
  6. Step 6: Final answer
    x = 66,406.82

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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.