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Finding the Fourth Proportional to 248,663,199.70, 372,994,799.55 and 248,663,199.70

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Solution

The fourth proportional to 248,663,199.70, 372,994,799.55 and 248,663,199.70 is: 372,994,799.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,663,199.70 : 372,994,799.55 = 248,663,199.70 : x
  2. Step 2: Convert to fraction form
    248,663,199.70/372,994,799.55 = 248,663,199.70/x
  3. Step 3: Cross multiply
    248,663,199.70x = 372,994,799.55 × 248,663,199.70
  4. Step 4: Simplify right side
    248,663,199.70x = 92,750,080,327,563,120
  5. Step 5: Solve for x
    x = 92,750,080,327,563,120/248,663,199.70
  6. Step 6: Final answer
    x = 372,994,799.55

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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.