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Finding the Fourth Proportional to 108,473.50, 162,713.13 and 34,601.50

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Solution

The fourth proportional to 108,473.50, 162,713.13 and 34,601.50 is: 51,903.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,473.50 : 162,713.13 = 34,601.50 : x
  2. Step 2: Convert to fraction form
    108,473.50/162,713.13 = 34,601.50/x
  3. Step 3: Cross multiply
    108,473.50x = 162,713.13 × 34,601.50
  4. Step 4: Simplify right side
    108,473.50x = 5,630,118,367.70
  5. Step 5: Solve for x
    x = 5,630,118,367.70/108,473.50
  6. Step 6: Final answer
    x = 51,903.17

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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.