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Finding the Fourth Proportional to 135,751,195.60, 203,626,793.40 and 49,492,416.40

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Solution

The fourth proportional to 135,751,195.60, 203,626,793.40 and 49,492,416.40 is: 74,238,624.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,751,195.60 : 203,626,793.40 = 49,492,416.40 : x
  2. Step 2: Convert to fraction form
    135,751,195.60/203,626,793.40 = 49,492,416.40/x
  3. Step 3: Cross multiply
    135,751,195.60x = 203,626,793.40 × 49,492,416.40
  4. Step 4: Simplify right side
    135,751,195.60x = 10,077,982,049,149,572
  5. Step 5: Solve for x
    x = 10,077,982,049,149,572/135,751,195.60
  6. Step 6: Final answer
    x = 74,238,624.60

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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.