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Finding the Fourth Proportional to 79,131.36, 118,697.04 and 67,369.44

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Solution

The fourth proportional to 79,131.36, 118,697.04 and 67,369.44 is: 101,054.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,131.36 : 118,697.04 = 67,369.44 : x
  2. Step 2: Convert to fraction form
    79,131.36/118,697.04 = 67,369.44/x
  3. Step 3: Cross multiply
    79,131.36x = 118,697.04 × 67,369.44
  4. Step 4: Simplify right side
    79,131.36x = 7,996,553,114.46
  5. Step 5: Solve for x
    x = 7,996,553,114.46/79,131.36
  6. Step 6: Final answer
    x = 101,054.16

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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.