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Finding the Fourth Proportional to 108,573.60, 162,811.80 and 49,378.80

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Solution

The fourth proportional to 108,573.60, 162,811.80 and 49,378.80 is: 74,046.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,573.60 : 162,811.80 = 49,378.80 : x
  2. Step 2: Convert to fraction form
    108,573.60/162,811.80 = 49,378.80/x
  3. Step 3: Cross multiply
    108,573.60x = 162,811.80 × 49,378.80
  4. Step 4: Simplify right side
    108,573.60x = 8,039,451,309.84
  5. Step 5: Solve for x
    x = 8,039,451,309.84/108,573.60
  6. Step 6: Final answer
    x = 74,046.10

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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.