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Finding the Fourth Proportional to 134,800.20, 202,200.30 and 92,809.80

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Solution

The fourth proportional to 134,800.20, 202,200.30 and 92,809.80 is: 139,214.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,800.20 : 202,200.30 = 92,809.80 : x
  2. Step 2: Convert to fraction form
    134,800.20/202,200.30 = 92,809.80/x
  3. Step 3: Cross multiply
    134,800.20x = 202,200.30 × 92,809.80
  4. Step 4: Simplify right side
    134,800.20x = 18,766,169,402.94
  5. Step 5: Solve for x
    x = 18,766,169,402.94/134,800.20
  6. Step 6: Final answer
    x = 139,214.70

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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.