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Finding the Fourth Proportional to 165,896.80, 228,941.04 and 93,301.08

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Solution

The fourth proportional to 165,896.80, 228,941.04 and 93,301.08 is: 128,757.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,896.80 : 228,941.04 = 93,301.08 : x
  2. Step 2: Convert to fraction form
    165,896.80/228,941.04 = 93,301.08/x
  3. Step 3: Cross multiply
    165,896.80x = 228,941.04 × 93,301.08
  4. Step 4: Simplify right side
    165,896.80x = 21,360,446,288.32
  5. Step 5: Solve for x
    x = 21,360,446,288.32/165,896.80
  6. Step 6: Final answer
    x = 128,757.43

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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.