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Finding the Fourth Proportional to 242,181.60, 363,274.46 and 84,409.80

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Solution

The fourth proportional to 242,181.60, 363,274.46 and 84,409.80 is: 126,615.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,181.60 : 363,274.46 = 84,409.80 : x
  2. Step 2: Convert to fraction form
    242,181.60/363,274.46 = 84,409.80/x
  3. Step 3: Cross multiply
    242,181.60x = 363,274.46 × 84,409.80
  4. Step 4: Simplify right side
    242,181.60x = 30,663,924,513.71
  5. Step 5: Solve for x
    x = 30,663,924,513.71/242,181.60
  6. Step 6: Final answer
    x = 126,615.42

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.