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Finding the Fourth Proportional to 83,670,458.35, 125,505,687.53 and 83,670,458.35

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Solution

The fourth proportional to 83,670,458.35, 125,505,687.53 and 83,670,458.35 is: 125,505,687.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,670,458.35 : 125,505,687.53 = 83,670,458.35 : x
  2. Step 2: Convert to fraction form
    83,670,458.35/125,505,687.53 = 83,670,458.35/x
  3. Step 3: Cross multiply
    83,670,458.35x = 125,505,687.53 × 83,670,458.35
  4. Step 4: Simplify right side
    83,670,458.35x = 10,501,118,401,166,978
  5. Step 5: Solve for x
    x = 10,501,118,401,166,978/83,670,458.35
  6. Step 6: Final answer
    x = 125,505,687.53

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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.