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Finding the Fourth Proportional to 136,250.30, 204,411.90 and 96,884.30

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Solution

The fourth proportional to 136,250.30, 204,411.90 and 96,884.30 is: 145,352.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,250.30 : 204,411.90 = 96,884.30 : x
  2. Step 2: Convert to fraction form
    136,250.30/204,411.90 = 96,884.30/x
  3. Step 3: Cross multiply
    136,250.30x = 204,411.90 × 96,884.30
  4. Step 4: Simplify right side
    136,250.30x = 19,804,303,843.17
  5. Step 5: Solve for x
    x = 19,804,303,843.17/136,250.30
  6. Step 6: Final answer
    x = 145,352.37

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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.