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Finding the Fourth Proportional to 291,001.01, 401,579.57 and 163,677.92

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Solution

The fourth proportional to 291,001.01, 401,579.57 and 163,677.92 is: 225,874.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,001.01 : 401,579.57 = 163,677.92 : x
  2. Step 2: Convert to fraction form
    291,001.01/401,579.57 = 163,677.92/x
  3. Step 3: Cross multiply
    291,001.01x = 401,579.57 × 163,677.92
  4. Step 4: Simplify right side
    291,001.01x = 65,729,707,133.39
  5. Step 5: Solve for x
    x = 65,729,707,133.39/291,001.01
  6. Step 6: Final answer
    x = 225,874.50

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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.