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Finding the Fourth Proportional to 73,276.70, 109,915.05 and 49,657.10

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Solution

The fourth proportional to 73,276.70, 109,915.05 and 49,657.10 is: 74,485.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,276.70 : 109,915.05 = 49,657.10 : x
  2. Step 2: Convert to fraction form
    73,276.70/109,915.05 = 49,657.10/x
  3. Step 3: Cross multiply
    73,276.70x = 109,915.05 × 49,657.10
  4. Step 4: Simplify right side
    73,276.70x = 5,458,062,629.36
  5. Step 5: Solve for x
    x = 5,458,062,629.36/73,276.70
  6. Step 6: Final answer
    x = 74,485.65

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Similar ratio
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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.