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Finding the Fourth Proportional to 108,511.70, 162,767.55 and 37,434.20

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Solution

The fourth proportional to 108,511.70, 162,767.55 and 37,434.20 is: 56,151.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,511.70 : 162,767.55 = 37,434.20 : x
  2. Step 2: Convert to fraction form
    108,511.70/162,767.55 = 37,434.20/x
  3. Step 3: Cross multiply
    108,511.70x = 162,767.55 × 37,434.20
  4. Step 4: Simplify right side
    108,511.70x = 6,093,073,020.21
  5. Step 5: Solve for x
    x = 6,093,073,020.21/108,511.70
  6. Step 6: Final answer
    x = 56,151.30

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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.