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Finding the Fourth Proportional to 108,903.29, 163,330.29 and 41,411.19

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Solution

The fourth proportional to 108,903.29, 163,330.29 and 41,411.19 is: 62,107.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,903.29 : 163,330.29 = 41,411.19 : x
  2. Step 2: Convert to fraction form
    108,903.29/163,330.29 = 41,411.19/x
  3. Step 3: Cross multiply
    108,903.29x = 163,330.29 × 41,411.19
  4. Step 4: Simplify right side
    108,903.29x = 6,763,700,961.31
  5. Step 5: Solve for x
    x = 6,763,700,961.31/108,903.29
  6. Step 6: Final answer
    x = 62,107.41

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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.