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Finding the Fourth Proportional to 216,398.82, 298,621.08 and 119,597.67

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Solution

The fourth proportional to 216,398.82, 298,621.08 and 119,597.67 is: 165,039.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,398.82 : 298,621.08 = 119,597.67 : x
  2. Step 2: Convert to fraction form
    216,398.82/298,621.08 = 119,597.67/x
  3. Step 3: Cross multiply
    216,398.82x = 298,621.08 × 119,597.67
  4. Step 4: Simplify right side
    216,398.82x = 35,714,385,212.44
  5. Step 5: Solve for x
    x = 35,714,385,212.44/216,398.82
  6. Step 6: Final answer
    x = 165,039.65

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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.