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Finding the Fourth Proportional to 108,317.95, 162,437.12 and 37,220.42

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Solution

The fourth proportional to 108,317.95, 162,437.12 and 37,220.42 is: 55,816.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,317.95 : 162,437.12 = 37,220.42 : x
  2. Step 2: Convert to fraction form
    108,317.95/162,437.12 = 37,220.42/x
  3. Step 3: Cross multiply
    108,317.95x = 162,437.12 × 37,220.42
  4. Step 4: Simplify right side
    108,317.95x = 6,045,978,049.98
  5. Step 5: Solve for x
    x = 6,045,978,049.98/108,317.95
  6. Step 6: Final answer
    x = 55,816.96

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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.