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Finding the Fourth Proportional to 136,757,749.60, 205,136,624.40 and 41,019,637.60

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Solution

The fourth proportional to 136,757,749.60, 205,136,624.40 and 41,019,637.60 is: 61,529,456.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,757,749.60 : 205,136,624.40 = 41,019,637.60 : x
  2. Step 2: Convert to fraction form
    136,757,749.60/205,136,624.40 = 41,019,637.60/x
  3. Step 3: Cross multiply
    136,757,749.60x = 205,136,624.40 × 41,019,637.60
  4. Step 4: Simplify right side
    136,757,749.60x = 8,414,629,991,375,318
  5. Step 5: Solve for x
    x = 8,414,629,991,375,318/136,757,749.60
  6. Step 6: Final answer
    x = 61,529,456.40

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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.