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Finding the Fourth Proportional to 202,350.90, 303,562.80 and 84,034.20

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Solution

The fourth proportional to 202,350.90, 303,562.80 and 84,034.20 is: 126,066.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,350.90 : 303,562.80 = 84,034.20 : x
  2. Step 2: Convert to fraction form
    202,350.90/303,562.80 = 84,034.20/x
  3. Step 3: Cross multiply
    202,350.90x = 303,562.80 × 84,034.20
  4. Step 4: Simplify right side
    202,350.90x = 25,509,657,047.76
  5. Step 5: Solve for x
    x = 25,509,657,047.76/202,350.90
  6. Step 6: Final answer
    x = 126,066.44

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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.