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Finding the Fourth Proportional to 216,500.82, 298,775.54 and 119,712.54

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Solution

The fourth proportional to 216,500.82, 298,775.54 and 119,712.54 is: 165,205.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,500.82 : 298,775.54 = 119,712.54 : x
  2. Step 2: Convert to fraction form
    216,500.82/298,775.54 = 119,712.54/x
  3. Step 3: Cross multiply
    216,500.82x = 298,775.54 × 119,712.54
  4. Step 4: Simplify right side
    216,500.82x = 35,767,178,783.27
  5. Step 5: Solve for x
    x = 35,767,178,783.27/216,500.82
  6. Step 6: Final answer
    x = 165,205.74

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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.