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Finding the Fourth Proportional to 265,235.69, 397,849.62 and 65,556.10

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Solution

The fourth proportional to 265,235.69, 397,849.62 and 65,556.10 is: 98,333.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,235.69 : 397,849.62 = 65,556.10 : x
  2. Step 2: Convert to fraction form
    265,235.69/397,849.62 = 65,556.10/x
  3. Step 3: Cross multiply
    265,235.69x = 397,849.62 × 65,556.10
  4. Step 4: Simplify right side
    265,235.69x = 26,081,467,484.43
  5. Step 5: Solve for x
    x = 26,081,467,484.43/265,235.69
  6. Step 6: Final answer
    x = 98,333.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.