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Finding the Fourth Proportional to 108,763.87, 163,154.56 and 41,328.19

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Solution

The fourth proportional to 108,763.87, 163,154.56 and 41,328.19 is: 61,995.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,763.87 : 163,154.56 = 41,328.19 : x
  2. Step 2: Convert to fraction form
    108,763.87/163,154.56 = 41,328.19/x
  3. Step 3: Cross multiply
    108,763.87x = 163,154.56 × 41,328.19
  4. Step 4: Simplify right side
    108,763.87x = 6,742,882,817.49
  5. Step 5: Solve for x
    x = 6,742,882,817.49/108,763.87
  6. Step 6: Final answer
    x = 61,995.61

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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.