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Finding the Fourth Proportional to 299,897.01, 413,857.87 and 163,931.51

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Solution

The fourth proportional to 299,897.01, 413,857.87 and 163,931.51 is: 226,225.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,897.01 : 413,857.87 = 163,931.51 : x
  2. Step 2: Convert to fraction form
    299,897.01/413,857.87 = 163,931.51/x
  3. Step 3: Cross multiply
    299,897.01x = 413,857.87 × 163,931.51
  4. Step 4: Simplify right side
    299,897.01x = 67,844,346,179.30
  5. Step 5: Solve for x
    x = 67,844,346,179.30/299,897.01
  6. Step 6: Final answer
    x = 226,225.48

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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.