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Finding the Fourth Proportional to 248,087,359.70, 372,131,039.55 and 248,087,359.70

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Solution

The fourth proportional to 248,087,359.70, 372,131,039.55 and 248,087,359.70 is: 372,131,039.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,087,359.70 : 372,131,039.55 = 248,087,359.70 : x
  2. Step 2: Convert to fraction form
    248,087,359.70/372,131,039.55 = 248,087,359.70/x
  3. Step 3: Cross multiply
    248,087,359.70x = 372,131,039.55 × 248,087,359.70
  4. Step 4: Simplify right side
    248,087,359.70x = 92,321,007,064,375,776
  5. Step 5: Solve for x
    x = 92,321,007,064,375,776/248,087,359.70
  6. Step 6: Final answer
    x = 372,131,039.55

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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.