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Finding the Fourth Proportional to 67,094.80, 100,496.40 and 53,972.80

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Solution

The fourth proportional to 67,094.80, 100,496.40 and 53,972.80 is: 80,841.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,094.80 : 100,496.40 = 53,972.80 : x
  2. Step 2: Convert to fraction form
    67,094.80/100,496.40 = 53,972.80/x
  3. Step 3: Cross multiply
    67,094.80x = 100,496.40 × 53,972.80
  4. Step 4: Simplify right side
    67,094.80x = 5,424,072,097.92
  5. Step 5: Solve for x
    x = 5,424,072,097.92/67,094.80
  6. Step 6: Final answer
    x = 80,841.91

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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.