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Finding the Fourth Proportional to 202,659.03, 303,915.65 and 69,504.75

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Solution

The fourth proportional to 202,659.03, 303,915.65 and 69,504.75 is: 104,232.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,659.03 : 303,915.65 = 69,504.75 : x
  2. Step 2: Convert to fraction form
    202,659.03/303,915.65 = 69,504.75/x
  3. Step 3: Cross multiply
    202,659.03x = 303,915.65 × 69,504.75
  4. Step 4: Simplify right side
    202,659.03x = 21,123,580,926.81
  5. Step 5: Solve for x
    x = 21,123,580,926.81/202,659.03
  6. Step 6: Final answer
    x = 104,232.12

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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.