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Finding the Fourth Proportional to 202,646.61, 303,976.11 and 69,525

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Solution

The fourth proportional to 202,646.61, 303,976.11 and 69,525 is: 104,289.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,646.61 : 303,976.11 = 69,525 : x
  2. Step 2: Convert to fraction form
    202,646.61/303,976.11 = 69,525/x
  3. Step 3: Cross multiply
    202,646.61x = 303,976.11 × 69,525
  4. Step 4: Simplify right side
    202,646.61x = 21,133,939,047.75
  5. Step 5: Solve for x
    x = 21,133,939,047.75/202,646.61
  6. Step 6: Final answer
    x = 104,289.63

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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.