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Finding the Fourth Proportional to 118,892,553.60, 166,109,452.80 and 118,892,553.60

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Solution

The fourth proportional to 118,892,553.60, 166,109,452.80 and 118,892,553.60 is: 166,109,452.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,892,553.60 : 166,109,452.80 = 118,892,553.60 : x
  2. Step 2: Convert to fraction form
    118,892,553.60/166,109,452.80 = 118,892,553.60/x
  3. Step 3: Cross multiply
    118,892,553.60x = 166,109,452.80 × 118,892,553.60
  4. Step 4: Simplify right side
    118,892,553.60x = 19,749,177,020,490,672
  5. Step 5: Solve for x
    x = 19,749,177,020,490,672/118,892,553.60
  6. Step 6: Final answer
    x = 166,109,452.80

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.