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Finding the Fourth Proportional to 108,423.90, 162,664.20 and 41,866.20

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Solution

The fourth proportional to 108,423.90, 162,664.20 and 41,866.20 is: 62,810.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,423.90 : 162,664.20 = 41,866.20 : x
  2. Step 2: Convert to fraction form
    108,423.90/162,664.20 = 41,866.20/x
  3. Step 3: Cross multiply
    108,423.90x = 162,664.20 × 41,866.20
  4. Step 4: Simplify right side
    108,423.90x = 6,810,131,930.04
  5. Step 5: Solve for x
    x = 6,810,131,930.04/108,423.90
  6. Step 6: Final answer
    x = 62,810.25

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1.5x scale

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.