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Finding the Fourth Proportional to 56,992,980, 85,489,470 and 25,080,276

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Solution

The fourth proportional to 56,992,980, 85,489,470 and 25,080,276 is: 37,620,414

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,992,980 : 85,489,470 = 25,080,276 : x
  2. Step 2: Convert to fraction form
    56,992,980/85,489,470 = 25,080,276/x
  3. Step 3: Cross multiply
    56,992,980x = 85,489,470 × 25,080,276
  4. Step 4: Simplify right side
    56,992,980x = 2,144,099,502,693,720
  5. Step 5: Solve for x
    x = 2,144,099,502,693,720/56,992,980
  6. Step 6: Final answer
    x = 37,620,414

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.