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Finding the Fourth Proportional to 222,994,719.20, 334,492,078.80 and 177,078,216.80

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Solution

The fourth proportional to 222,994,719.20, 334,492,078.80 and 177,078,216.80 is: 265,617,325.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,994,719.20 : 334,492,078.80 = 177,078,216.80 : x
  2. Step 2: Convert to fraction form
    222,994,719.20/334,492,078.80 = 177,078,216.80/x
  3. Step 3: Cross multiply
    222,994,719.20x = 334,492,078.80 × 177,078,216.80
  4. Step 4: Simplify right side
    222,994,719.20x = 59,231,260,847,629,088
  5. Step 5: Solve for x
    x = 59,231,260,847,629,088/222,994,719.20
  6. Step 6: Final answer
    x = 265,617,325.20

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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.