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Finding the Fourth Proportional to 202,998.40, 304,506.24 and 62,759.68

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Solution

The fourth proportional to 202,998.40, 304,506.24 and 62,759.68 is: 94,142.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,998.40 : 304,506.24 = 62,759.68 : x
  2. Step 2: Convert to fraction form
    202,998.40/304,506.24 = 62,759.68/x
  3. Step 3: Cross multiply
    202,998.40x = 304,506.24 × 62,759.68
  4. Step 4: Simplify right side
    202,998.40x = 19,110,714,180.40
  5. Step 5: Solve for x
    x = 19,110,714,180.40/202,998.40
  6. Step 6: Final answer
    x = 94,142.19

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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.