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Finding the Fourth Proportional to 291,881.08, 402,796.43 and 164,556.37

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Solution

The fourth proportional to 291,881.08, 402,796.43 and 164,556.37 is: 227,088.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,881.08 : 402,796.43 = 164,556.37 : x
  2. Step 2: Convert to fraction form
    291,881.08/402,796.43 = 164,556.37/x
  3. Step 3: Cross multiply
    291,881.08x = 402,796.43 × 164,556.37
  4. Step 4: Simplify right side
    291,881.08x = 66,282,718,369.76
  5. Step 5: Solve for x
    x = 66,282,718,369.76/291,881.08
  6. Step 6: Final answer
    x = 227,088.09

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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.