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Finding the Fourth Proportional to 198,063.32, 273,362.32 and 117,535.26

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Solution

The fourth proportional to 198,063.32, 273,362.32 and 117,535.26 is: 162,219.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,063.32 : 273,362.32 = 117,535.26 : x
  2. Step 2: Convert to fraction form
    198,063.32/273,362.32 = 117,535.26/x
  3. Step 3: Cross multiply
    198,063.32x = 273,362.32 × 117,535.26
  4. Step 4: Simplify right side
    198,063.32x = 32,129,711,355.40
  5. Step 5: Solve for x
    x = 32,129,711,355.40/198,063.32
  6. Step 6: Final answer
    x = 162,219.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.