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Finding the Fourth Proportional to 135,093.60, 202,640.40 and 124,034.40

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Solution

The fourth proportional to 135,093.60, 202,640.40 and 124,034.40 is: 186,051.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,093.60 : 202,640.40 = 124,034.40 : x
  2. Step 2: Convert to fraction form
    135,093.60/202,640.40 = 124,034.40/x
  3. Step 3: Cross multiply
    135,093.60x = 202,640.40 × 124,034.40
  4. Step 4: Simplify right side
    135,093.60x = 25,134,380,429.76
  5. Step 5: Solve for x
    x = 25,134,380,429.76/135,093.60
  6. Step 6: Final answer
    x = 186,051.60

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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.