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Finding the Fourth Proportional to 202,353, 303,529.02 and 69,234.60

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Solution

The fourth proportional to 202,353, 303,529.02 and 69,234.60 is: 103,851.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,353 : 303,529.02 = 69,234.60 : x
  2. Step 2: Convert to fraction form
    202,353/303,529.02 = 69,234.60/x
  3. Step 3: Cross multiply
    202,353x = 303,529.02 × 69,234.60
  4. Step 4: Simplify right side
    202,353x = 21,014,710,288.09
  5. Step 5: Solve for x
    x = 21,014,710,288.09/202,353
  6. Step 6: Final answer
    x = 103,851.74

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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.