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Finding the Fourth Proportional to 208,843.95, 288,204.90 and 113,350.67

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Solution

The fourth proportional to 208,843.95, 288,204.90 and 113,350.67 is: 156,424.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,843.95 : 288,204.90 = 113,350.67 : x
  2. Step 2: Convert to fraction form
    208,843.95/288,204.90 = 113,350.67/x
  3. Step 3: Cross multiply
    208,843.95x = 288,204.90 × 113,350.67
  4. Step 4: Simplify right side
    208,843.95x = 32,668,217,071.26
  5. Step 5: Solve for x
    x = 32,668,217,071.26/208,843.95
  6. Step 6: Final answer
    x = 156,424.05

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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.