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Finding the Fourth Proportional to 271,008, 373,991.04 and 151,776

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Solution

The fourth proportional to 271,008, 373,991.04 and 151,776 is: 209,450.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,008 : 373,991.04 = 151,776 : x
  2. Step 2: Convert to fraction form
    271,008/373,991.04 = 151,776/x
  3. Step 3: Cross multiply
    271,008x = 373,991.04 × 151,776
  4. Step 4: Simplify right side
    271,008x = 56,762,864,087.04
  5. Step 5: Solve for x
    x = 56,762,864,087.04/271,008
  6. Step 6: Final answer
    x = 209,450.88

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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.