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Finding the Fourth Proportional to 271,886, 375,189.16 and 151,034.96

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Solution

The fourth proportional to 271,886, 375,189.16 and 151,034.96 is: 208,420.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,886 : 375,189.16 = 151,034.96 : x
  2. Step 2: Convert to fraction form
    271,886/375,189.16 = 151,034.96/x
  3. Step 3: Cross multiply
    271,886x = 375,189.16 × 151,034.96
  4. Step 4: Simplify right side
    271,886x = 56,666,679,773.03
  5. Step 5: Solve for x
    x = 56,666,679,773.03/271,886
  6. Step 6: Final answer
    x = 208,420.73

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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.