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Finding the Fourth Proportional to 208,846.67, 288,212.11 and 113,353.34

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Solution

The fourth proportional to 208,846.67, 288,212.11 and 113,353.34 is: 156,429.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,846.67 : 288,212.11 = 113,353.34 : x
  2. Step 2: Convert to fraction form
    208,846.67/288,212.11 = 113,353.34/x
  3. Step 3: Cross multiply
    208,846.67x = 288,212.11 × 113,353.34
  4. Step 4: Simplify right side
    208,846.67x = 32,669,803,572.50
  5. Step 5: Solve for x
    x = 32,669,803,572.50/208,846.67
  6. Step 6: Final answer
    x = 156,429.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.