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Finding the Fourth Proportional to 244,734.40, 367,101.60 and 78,539.20

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Solution

The fourth proportional to 244,734.40, 367,101.60 and 78,539.20 is: 117,808.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,734.40 : 367,101.60 = 78,539.20 : x
  2. Step 2: Convert to fraction form
    244,734.40/367,101.60 = 78,539.20/x
  3. Step 3: Cross multiply
    244,734.40x = 367,101.60 × 78,539.20
  4. Step 4: Simplify right side
    244,734.40x = 28,831,865,982.72
  5. Step 5: Solve for x
    x = 28,831,865,982.72/244,734.40
  6. Step 6: Final answer
    x = 117,808.80

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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.