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Finding the Fourth Proportional to 108,368.20, 162,503.70 and 41,786.20

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Solution

The fourth proportional to 108,368.20, 162,503.70 and 41,786.20 is: 62,660.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,368.20 : 162,503.70 = 41,786.20 : x
  2. Step 2: Convert to fraction form
    108,368.20/162,503.70 = 41,786.20/x
  3. Step 3: Cross multiply
    108,368.20x = 162,503.70 × 41,786.20
  4. Step 4: Simplify right side
    108,368.20x = 6,790,412,108.94
  5. Step 5: Solve for x
    x = 6,790,412,108.94/108,368.20
  6. Step 6: Final answer
    x = 62,660.56

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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.