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Finding the Fourth Proportional to 352,333.82, 528,481.86 and 124,613.66

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Solution

The fourth proportional to 352,333.82, 528,481.86 and 124,613.66 is: 186,913.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,333.82 : 528,481.86 = 124,613.66 : x
  2. Step 2: Convert to fraction form
    352,333.82/528,481.86 = 124,613.66/x
  3. Step 3: Cross multiply
    352,333.82x = 528,481.86 × 124,613.66
  4. Step 4: Simplify right side
    352,333.82x = 65,856,058,818.21
  5. Step 5: Solve for x
    x = 65,856,058,818.21/352,333.82
  6. Step 6: Final answer
    x = 186,913.82

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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.