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Finding the Fourth Proportional to 202,129.70, 303,195.45 and 52,359.35

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Solution

The fourth proportional to 202,129.70, 303,195.45 and 52,359.35 is: 78,539.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,129.70 : 303,195.45 = 52,359.35 : x
  2. Step 2: Convert to fraction form
    202,129.70/303,195.45 = 52,359.35/x
  3. Step 3: Cross multiply
    202,129.70x = 303,195.45 × 52,359.35
  4. Step 4: Simplify right side
    202,129.70x = 15,875,116,684.96
  5. Step 5: Solve for x
    x = 15,875,116,684.96/202,129.70
  6. Step 6: Final answer
    x = 78,539.26

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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.