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Finding the Fourth Proportional to 271,832.64, 375,107.06 and 157,118.70

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Solution

The fourth proportional to 271,832.64, 375,107.06 and 157,118.70 is: 216,811.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,832.64 : 375,107.06 = 157,118.70 : x
  2. Step 2: Convert to fraction form
    271,832.64/375,107.06 = 157,118.70/x
  3. Step 3: Cross multiply
    271,832.64x = 375,107.06 × 157,118.70
  4. Step 4: Simplify right side
    271,832.64x = 58,936,333,628.02
  5. Step 5: Solve for x
    x = 58,936,333,628.02/271,832.64
  6. Step 6: Final answer
    x = 216,811.10

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