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Finding the Fourth Proportional to 271,859.28, 375,155.44 and 151,008.36

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Solution

The fourth proportional to 271,859.28, 375,155.44 and 151,008.36 is: 208,385.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,859.28 : 375,155.44 = 151,008.36 : x
  2. Step 2: Convert to fraction form
    271,859.28/375,155.44 = 151,008.36/x
  3. Step 3: Cross multiply
    271,859.28x = 375,155.44 × 151,008.36
  4. Step 4: Simplify right side
    271,859.28x = 56,651,607,739.48
  5. Step 5: Solve for x
    x = 56,651,607,739.48/271,859.28
  6. Step 6: Final answer
    x = 208,385.78

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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.