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Finding the Fourth Proportional to 228,700.60, 343,050.90 and 104,041.60

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Solution

The fourth proportional to 228,700.60, 343,050.90 and 104,041.60 is: 156,062.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,700.60 : 343,050.90 = 104,041.60 : x
  2. Step 2: Convert to fraction form
    228,700.60/343,050.90 = 104,041.60/x
  3. Step 3: Cross multiply
    228,700.60x = 343,050.90 × 104,041.60
  4. Step 4: Simplify right side
    228,700.60x = 35,691,564,517.44
  5. Step 5: Solve for x
    x = 35,691,564,517.44/228,700.60
  6. Step 6: Final answer
    x = 156,062.40

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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.