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Finding the Fourth Proportional to 108,898.70, 163,323.41 and 41,406.65

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Solution

The fourth proportional to 108,898.70, 163,323.41 and 41,406.65 is: 62,100.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,898.70 : 163,323.41 = 41,406.65 : x
  2. Step 2: Convert to fraction form
    108,898.70/163,323.41 = 41,406.65/x
  3. Step 3: Cross multiply
    108,898.70x = 163,323.41 × 41,406.65
  4. Step 4: Simplify right side
    108,898.70x = 6,762,674,863.49
  5. Step 5: Solve for x
    x = 6,762,674,863.49/108,898.70
  6. Step 6: Final answer
    x = 62,100.61

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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.