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Finding the Fourth Proportional to 263,901.74, 364,175.55 and 156,407.96

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Solution

The fourth proportional to 263,901.74, 364,175.55 and 156,407.96 is: 215,837.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,901.74 : 364,175.55 = 156,407.96 : x
  2. Step 2: Convert to fraction form
    263,901.74/364,175.55 = 156,407.96/x
  3. Step 3: Cross multiply
    263,901.74x = 364,175.55 × 156,407.96
  4. Step 4: Simplify right side
    263,901.74x = 56,959,955,767.82
  5. Step 5: Solve for x
    x = 56,959,955,767.82/263,901.74
  6. Step 6: Final answer
    x = 215,837.75

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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.