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Finding the Fourth Proportional to 108,469.84, 162,688.04 and 29,590.48

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Solution

The fourth proportional to 108,469.84, 162,688.04 and 29,590.48 is: 44,381.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,469.84 : 162,688.04 = 29,590.48 : x
  2. Step 2: Convert to fraction form
    108,469.84/162,688.04 = 29,590.48/x
  3. Step 3: Cross multiply
    108,469.84x = 162,688.04 × 29,590.48
  4. Step 4: Simplify right side
    108,469.84x = 4,814,017,193.86
  5. Step 5: Solve for x
    x = 4,814,017,193.86/108,469.84
  6. Step 6: Final answer
    x = 44,381.16

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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.