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Finding the Fourth Proportional to 135,027.60, 202,541.40 and 119,864.40

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Solution

The fourth proportional to 135,027.60, 202,541.40 and 119,864.40 is: 179,796.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,027.60 : 202,541.40 = 119,864.40 : x
  2. Step 2: Convert to fraction form
    135,027.60/202,541.40 = 119,864.40/x
  3. Step 3: Cross multiply
    135,027.60x = 202,541.40 × 119,864.40
  4. Step 4: Simplify right side
    135,027.60x = 24,277,503,386.16
  5. Step 5: Solve for x
    x = 24,277,503,386.16/135,027.60
  6. Step 6: Final answer
    x = 179,796.60

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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.