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Finding the Fourth Proportional to 265,968.57, 367,035.73 and 145,109.89

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Solution

The fourth proportional to 265,968.57, 367,035.73 and 145,109.89 is: 200,251.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,968.57 : 367,035.73 = 145,109.89 : x
  2. Step 2: Convert to fraction form
    265,968.57/367,035.73 = 145,109.89/x
  3. Step 3: Cross multiply
    265,968.57x = 367,035.73 × 145,109.89
  4. Step 4: Simplify right side
    265,968.57x = 53,260,514,406.37
  5. Step 5: Solve for x
    x = 53,260,514,406.37/265,968.57
  6. Step 6: Final answer
    x = 200,251.16

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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.