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Finding the Fourth Proportional to 270,823.92, 373,778.28 and 168,866

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Solution

The fourth proportional to 270,823.92, 373,778.28 and 168,866 is: 233,060.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,823.92 : 373,778.28 = 168,866 : x
  2. Step 2: Convert to fraction form
    270,823.92/373,778.28 = 168,866/x
  3. Step 3: Cross multiply
    270,823.92x = 373,778.28 × 168,866
  4. Step 4: Simplify right side
    270,823.92x = 63,118,443,030.48
  5. Step 5: Solve for x
    x = 63,118,443,030.48/270,823.92
  6. Step 6: Final answer
    x = 233,060.81

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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.