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Finding the Fourth Proportional to 108,562.35, 162,805.13 and 51,629.55

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Solution

The fourth proportional to 108,562.35, 162,805.13 and 51,629.55 is: 77,426.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,562.35 : 162,805.13 = 51,629.55 : x
  2. Step 2: Convert to fraction form
    108,562.35/162,805.13 = 51,629.55/x
  3. Step 3: Cross multiply
    108,562.35x = 162,805.13 × 51,629.55
  4. Step 4: Simplify right side
    108,562.35x = 8,405,555,341.44
  5. Step 5: Solve for x
    x = 8,405,555,341.44/108,562.35
  6. Step 6: Final answer
    x = 77,426.06

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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.