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Finding the Fourth Proportional to 271,888, 375,191.92 and 151,036.96

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Solution

The fourth proportional to 271,888, 375,191.92 and 151,036.96 is: 208,423.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,888 : 375,191.92 = 151,036.96 : x
  2. Step 2: Convert to fraction form
    271,888/375,191.92 = 151,036.96/x
  3. Step 3: Cross multiply
    271,888x = 375,191.92 × 151,036.96
  4. Step 4: Simplify right side
    271,888x = 56,667,847,013.36
  5. Step 5: Solve for x
    x = 56,667,847,013.36/271,888
  6. Step 6: Final answer
    x = 208,423.49

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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.