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Finding the Fourth Proportional to 273,151,742.64, 376,959,216.60 and 155,694,796.08

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Solution

The fourth proportional to 273,151,742.64, 376,959,216.60 and 155,694,796.08 is: 214,864,411.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,151,742.64 : 376,959,216.60 = 155,694,796.08 : x
  2. Step 2: Convert to fraction form
    273,151,742.64/376,959,216.60 = 155,694,796.08/x
  3. Step 3: Cross multiply
    273,151,742.64x = 376,959,216.60 × 155,694,796.08
  4. Step 4: Simplify right side
    273,151,742.64x = 58,690,588,359,013,560
  5. Step 5: Solve for x
    x = 58,690,588,359,013,560/273,151,742.64
  6. Step 6: Final answer
    x = 214,864,411.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.