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Finding the Fourth Proportional to 157,760,679.60, 236,193,121.80 and 157,760,679.60

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Solution

The fourth proportional to 157,760,679.60, 236,193,121.80 and 157,760,679.60 is: 236,193,121.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,760,679.60 : 236,193,121.80 = 157,760,679.60 : x
  2. Step 2: Convert to fraction form
    157,760,679.60/236,193,121.80 = 157,760,679.60/x
  3. Step 3: Cross multiply
    157,760,679.60x = 236,193,121.80 × 157,760,679.60
  4. Step 4: Simplify right side
    157,760,679.60x = 37,261,987,412,013,576
  5. Step 5: Solve for x
    x = 37,261,987,412,013,576/157,760,679.60
  6. Step 6: Final answer
    x = 236,193,121.80

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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.