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Finding the Fourth Proportional to 235,819.05, 353,728.58 and 67,339.05

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Solution

The fourth proportional to 235,819.05, 353,728.58 and 67,339.05 is: 101,008.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,819.05 : 353,728.58 = 67,339.05 : x
  2. Step 2: Convert to fraction form
    235,819.05/353,728.58 = 67,339.05/x
  3. Step 3: Cross multiply
    235,819.05x = 353,728.58 × 67,339.05
  4. Step 4: Simplify right side
    235,819.05x = 23,819,746,198.35
  5. Step 5: Solve for x
    x = 23,819,746,198.35/235,819.05
  6. Step 6: Final answer
    x = 101,008.58

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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.