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Finding the Fourth Proportional to 245,729.64, 368,594.61 and 68,236.67

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Solution

The fourth proportional to 245,729.64, 368,594.61 and 68,236.67 is: 102,355.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,729.64 : 368,594.61 = 68,236.67 : x
  2. Step 2: Convert to fraction form
    245,729.64/368,594.61 = 68,236.67/x
  3. Step 3: Cross multiply
    245,729.64x = 368,594.61 × 68,236.67
  4. Step 4: Simplify right side
    245,729.64x = 25,151,668,766.35
  5. Step 5: Solve for x
    x = 25,151,668,766.35/245,729.64
  6. Step 6: Final answer
    x = 102,355.05

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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.