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Finding the Fourth Proportional to 108,674.34, 163,012.65 and 29,788.57

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Solution

The fourth proportional to 108,674.34, 163,012.65 and 29,788.57 is: 44,683.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,674.34 : 163,012.65 = 29,788.57 : x
  2. Step 2: Convert to fraction form
    108,674.34/163,012.65 = 29,788.57/x
  3. Step 3: Cross multiply
    108,674.34x = 163,012.65 × 29,788.57
  4. Step 4: Simplify right side
    108,674.34x = 4,855,913,735.41
  5. Step 5: Solve for x
    x = 4,855,913,735.41/108,674.34
  6. Step 6: Final answer
    x = 44,683.17

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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.