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Finding the Fourth Proportional to 264,058.29, 396,085.82 and 86,564.07

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Solution

The fourth proportional to 264,058.29, 396,085.82 and 86,564.07 is: 129,845.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,058.29 : 396,085.82 = 86,564.07 : x
  2. Step 2: Convert to fraction form
    264,058.29/396,085.82 = 86,564.07/x
  3. Step 3: Cross multiply
    264,058.29x = 396,085.82 × 86,564.07
  4. Step 4: Simplify right side
    264,058.29x = 34,286,800,215.67
  5. Step 5: Solve for x
    x = 34,286,800,215.67/264,058.29
  6. Step 6: Final answer
    x = 129,845.57

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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.