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Finding the Fourth Proportional to 272,181.60, 408,272.40 and 242,114.40

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Solution

The fourth proportional to 272,181.60, 408,272.40 and 242,114.40 is: 363,171.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,181.60 : 408,272.40 = 242,114.40 : x
  2. Step 2: Convert to fraction form
    272,181.60/408,272.40 = 242,114.40/x
  3. Step 3: Cross multiply
    272,181.60x = 408,272.40 × 242,114.40
  4. Step 4: Simplify right side
    272,181.60x = 98,848,627,162.56
  5. Step 5: Solve for x
    x = 98,848,627,162.56/272,181.60
  6. Step 6: Final answer
    x = 363,171.60

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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.