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Finding the Fourth Proportional to 118,633.20, 177,863.40 and 48,476.40

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Solution

The fourth proportional to 118,633.20, 177,863.40 and 48,476.40 is: 72,679.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,633.20 : 177,863.40 = 48,476.40 : x
  2. Step 2: Convert to fraction form
    118,633.20/177,863.40 = 48,476.40/x
  3. Step 3: Cross multiply
    118,633.20x = 177,863.40 × 48,476.40
  4. Step 4: Simplify right side
    118,633.20x = 8,622,177,323.76
  5. Step 5: Solve for x
    x = 8,622,177,323.76/118,633.20
  6. Step 6: Final answer
    x = 72,679.29

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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.