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Finding the Fourth Proportional to 202,822.73, 304,283.90 and 69,704.90

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Solution

The fourth proportional to 202,822.73, 304,283.90 and 69,704.90 is: 104,574.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,822.73 : 304,283.90 = 69,704.90 : x
  2. Step 2: Convert to fraction form
    202,822.73/304,283.90 = 69,704.90/x
  3. Step 3: Cross multiply
    202,822.73x = 304,283.90 × 69,704.90
  4. Step 4: Simplify right side
    202,822.73x = 21,210,077,473.95
  5. Step 5: Solve for x
    x = 21,210,077,473.95/202,822.73
  6. Step 6: Final answer
    x = 104,574.46

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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.