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Finding the Fourth Proportional to 202,622.58, 303,838.43 and 118,407.11

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Solution

The fourth proportional to 202,622.58, 303,838.43 and 118,407.11 is: 177,554.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,622.58 : 303,838.43 = 118,407.11 : x
  2. Step 2: Convert to fraction form
    202,622.58/303,838.43 = 118,407.11/x
  3. Step 3: Cross multiply
    202,622.58x = 303,838.43 × 118,407.11
  4. Step 4: Simplify right side
    202,622.58x = 35,976,628,292.01
  5. Step 5: Solve for x
    x = 35,976,628,292.01/202,622.58
  6. Step 6: Final answer
    x = 177,554.88

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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.