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Finding the Fourth Proportional to 269,145.54, 371,393.01 and 165,763.26

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Solution

The fourth proportional to 269,145.54, 371,393.01 and 165,763.26 is: 228,736.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,145.54 : 371,393.01 = 165,763.26 : x
  2. Step 2: Convert to fraction form
    269,145.54/371,393.01 = 165,763.26/x
  3. Step 3: Cross multiply
    269,145.54x = 371,393.01 × 165,763.26
  4. Step 4: Simplify right side
    269,145.54x = 61,563,316,078.81
  5. Step 5: Solve for x
    x = 61,563,316,078.81/269,145.54
  6. Step 6: Final answer
    x = 228,736.16

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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.