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Finding the Fourth Proportional to 74,524,056, 111,786,084 and 20,671,368

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Solution

The fourth proportional to 74,524,056, 111,786,084 and 20,671,368 is: 31,007,052

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,524,056 : 111,786,084 = 20,671,368 : x
  2. Step 2: Convert to fraction form
    74,524,056/111,786,084 = 20,671,368/x
  3. Step 3: Cross multiply
    74,524,056x = 111,786,084 × 20,671,368
  4. Step 4: Simplify right side
    74,524,056x = 2,310,771,279,642,912
  5. Step 5: Solve for x
    x = 2,310,771,279,642,912/74,524,056
  6. Step 6: Final answer
    x = 31,007,052

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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.