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Finding the Fourth Proportional to 237,351,686.80, 356,090,515.80 and 83,981,750.80

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Solution

The fourth proportional to 237,351,686.80, 356,090,515.80 and 83,981,750.80 is: 125,994,912.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,351,686.80 : 356,090,515.80 = 83,981,750.80 : x
  2. Step 2: Convert to fraction form
    237,351,686.80/356,090,515.80 = 83,981,750.80/x
  3. Step 3: Cross multiply
    237,351,686.80x = 356,090,515.80 × 83,981,750.80
  4. Step 4: Simplify right side
    237,351,686.80x = 29,905,104,960,159,064
  5. Step 5: Solve for x
    x = 29,905,104,960,159,064/237,351,686.80
  6. Step 6: Final answer
    x = 125,994,912.29

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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.