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Finding the Fourth Proportional to 263,298.79, 363,196.47 and 161,370.01

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Solution

The fourth proportional to 263,298.79, 363,196.47 and 161,370.01 is: 222,595.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,298.79 : 363,196.47 = 161,370.01 : x
  2. Step 2: Convert to fraction form
    263,298.79/363,196.47 = 161,370.01/x
  3. Step 3: Cross multiply
    263,298.79x = 363,196.47 × 161,370.01
  4. Step 4: Simplify right side
    263,298.79x = 58,609,017,995.86
  5. Step 5: Solve for x
    x = 58,609,017,995.86/263,298.79
  6. Step 6: Final answer
    x = 222,595.09

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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.