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Finding the Fourth Proportional to 198,010.60, 296,772.90 and 134,830.60

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Solution

The fourth proportional to 198,010.60, 296,772.90 and 134,830.60 is: 202,080.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,010.60 : 296,772.90 = 134,830.60 : x
  2. Step 2: Convert to fraction form
    198,010.60/296,772.90 = 134,830.60/x
  3. Step 3: Cross multiply
    198,010.60x = 296,772.90 × 134,830.60
  4. Step 4: Simplify right side
    198,010.60x = 40,014,068,170.74
  5. Step 5: Solve for x
    x = 40,014,068,170.74/198,010.60
  6. Step 6: Final answer
    x = 202,080.43

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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.