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Finding the Fourth Proportional to 108,521.88, 162,794.10 and 29,636.12

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Solution

The fourth proportional to 108,521.88, 162,794.10 and 29,636.12 is: 44,457.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,521.88 : 162,794.10 = 29,636.12 : x
  2. Step 2: Convert to fraction form
    108,521.88/162,794.10 = 29,636.12/x
  3. Step 3: Cross multiply
    108,521.88x = 162,794.10 × 29,636.12
  4. Step 4: Simplify right side
    108,521.88x = 4,824,584,668.92
  5. Step 5: Solve for x
    x = 4,824,584,668.92/108,521.88
  6. Step 6: Final answer
    x = 44,457.25

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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.