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Finding the Fourth Proportional to 165,758.33, 228,746.76 and 94,138.31

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Solution

The fourth proportional to 165,758.33, 228,746.76 and 94,138.31 is: 129,911.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,758.33 : 228,746.76 = 94,138.31 : x
  2. Step 2: Convert to fraction form
    165,758.33/228,746.76 = 94,138.31/x
  3. Step 3: Cross multiply
    165,758.33x = 228,746.76 × 94,138.31
  4. Step 4: Simplify right side
    165,758.33x = 21,533,833,404.38
  5. Step 5: Solve for x
    x = 21,533,833,404.38/165,758.33
  6. Step 6: Final answer
    x = 129,911.02

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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.