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Finding the Fourth Proportional to 115,906.60, 173,730.30 and 49,335.40

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Solution

The fourth proportional to 115,906.60, 173,730.30 and 49,335.40 is: 73,947.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,906.60 : 173,730.30 = 49,335.40 : x
  2. Step 2: Convert to fraction form
    115,906.60/173,730.30 = 49,335.40/x
  3. Step 3: Cross multiply
    115,906.60x = 173,730.30 × 49,335.40
  4. Step 4: Simplify right side
    115,906.60x = 8,571,053,842.62
  5. Step 5: Solve for x
    x = 8,571,053,842.62/115,906.60
  6. Step 6: Final answer
    x = 73,947.94

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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.