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Finding the Fourth Proportional to 219,882.83, 303,438.89 and 119,280.83

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Solution

The fourth proportional to 219,882.83, 303,438.89 and 119,280.83 is: 164,607.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,882.83 : 303,438.89 = 119,280.83 : x
  2. Step 2: Convert to fraction form
    219,882.83/303,438.89 = 119,280.83/x
  3. Step 3: Cross multiply
    219,882.83x = 303,438.89 × 119,280.83
  4. Step 4: Simplify right side
    219,882.83x = 36,194,441,901.43
  5. Step 5: Solve for x
    x = 36,194,441,901.43/219,882.83
  6. Step 6: Final answer
    x = 164,607.86

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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.