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Finding the Fourth Proportional to 242,266.08, 363,459.60 and 84,496.80

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Solution

The fourth proportional to 242,266.08, 363,459.60 and 84,496.80 is: 126,766.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,266.08 : 363,459.60 = 84,496.80 : x
  2. Step 2: Convert to fraction form
    242,266.08/363,459.60 = 84,496.80/x
  3. Step 3: Cross multiply
    242,266.08x = 363,459.60 × 84,496.80
  4. Step 4: Simplify right side
    242,266.08x = 30,711,173,129.28
  5. Step 5: Solve for x
    x = 30,711,173,129.28/242,266.08
  6. Step 6: Final answer
    x = 126,766.29

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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.