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Finding the Fourth Proportional to 108,363.71, 162,529.16 and 29,484.09

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Solution

The fourth proportional to 108,363.71, 162,529.16 and 29,484.09 is: 44,221.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,363.71 : 162,529.16 = 29,484.09 : x
  2. Step 2: Convert to fraction form
    108,363.71/162,529.16 = 29,484.09/x
  3. Step 3: Cross multiply
    108,363.71x = 162,529.16 × 29,484.09
  4. Step 4: Simplify right side
    108,363.71x = 4,792,024,233.64
  5. Step 5: Solve for x
    x = 4,792,024,233.64/108,363.71
  6. Step 6: Final answer
    x = 44,221.67

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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.