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Finding the Fourth Proportional to 136,325.80, 204,051.30 and 96,959.80

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Solution

The fourth proportional to 136,325.80, 204,051.30 and 96,959.80 is: 145,128.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,325.80 : 204,051.30 = 96,959.80 : x
  2. Step 2: Convert to fraction form
    136,325.80/204,051.30 = 96,959.80/x
  3. Step 3: Cross multiply
    136,325.80x = 204,051.30 × 96,959.80
  4. Step 4: Simplify right side
    136,325.80x = 19,784,773,237.74
  5. Step 5: Solve for x
    x = 19,784,773,237.74/136,325.80
  6. Step 6: Final answer
    x = 145,128.61

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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.