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Finding the Fourth Proportional to 361,109.77, 541,663.32 and 108,389.16

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Solution

The fourth proportional to 361,109.77, 541,663.32 and 108,389.16 is: 162,583.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,109.77 : 541,663.32 = 108,389.16 : x
  2. Step 2: Convert to fraction form
    361,109.77/541,663.32 = 108,389.16/x
  3. Step 3: Cross multiply
    361,109.77x = 541,663.32 × 108,389.16
  4. Step 4: Simplify right side
    361,109.77x = 58,710,432,257.61
  5. Step 5: Solve for x
    x = 58,710,432,257.61/361,109.77
  6. Step 6: Final answer
    x = 162,583.34

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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.