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Finding the Fourth Proportional to 108,903.29, 163,373.96 and 49,744.94

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Solution

The fourth proportional to 108,903.29, 163,373.96 and 49,744.94 is: 74,626.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,903.29 : 163,373.96 = 49,744.94 : x
  2. Step 2: Convert to fraction form
    108,903.29/163,373.96 = 49,744.94/x
  3. Step 3: Cross multiply
    108,903.29x = 163,373.96 × 49,744.94
  4. Step 4: Simplify right side
    108,903.29x = 8,127,027,145.25
  5. Step 5: Solve for x
    x = 8,127,027,145.25/108,903.29
  6. Step 6: Final answer
    x = 74,626.10

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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.