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Finding the Fourth Proportional to 202,203.30, 303,304.95 and 69,063.60

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Solution

The fourth proportional to 202,203.30, 303,304.95 and 69,063.60 is: 103,595.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,203.30 : 303,304.95 = 69,063.60 : x
  2. Step 2: Convert to fraction form
    202,203.30/303,304.95 = 69,063.60/x
  3. Step 3: Cross multiply
    202,203.30x = 303,304.95 × 69,063.60
  4. Step 4: Simplify right side
    202,203.30x = 20,947,331,744.82
  5. Step 5: Solve for x
    x = 20,947,331,744.82/202,203.30
  6. Step 6: Final answer
    x = 103,595.40

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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.