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Finding the Fourth Proportional to 202,207.47, 303,346.86 and 69,056.52

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Solution

The fourth proportional to 202,207.47, 303,346.86 and 69,056.52 is: 103,596.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,207.47 : 303,346.86 = 69,056.52 : x
  2. Step 2: Convert to fraction form
    202,207.47/303,346.86 = 69,056.52/x
  3. Step 3: Cross multiply
    202,207.47x = 303,346.86 × 69,056.52
  4. Step 4: Simplify right side
    202,207.47x = 20,948,078,504.53
  5. Step 5: Solve for x
    x = 20,948,078,504.53/202,207.47
  6. Step 6: Final answer
    x = 103,596.96

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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.