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Finding the Fourth Proportional to 219,923.67, 303,404.45 and 133,813.62

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Solution

The fourth proportional to 219,923.67, 303,404.45 and 133,813.62 is: 184,607.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,923.67 : 303,404.45 = 133,813.62 : x
  2. Step 2: Convert to fraction form
    219,923.67/303,404.45 = 133,813.62/x
  3. Step 3: Cross multiply
    219,923.67x = 303,404.45 × 133,813.62
  4. Step 4: Simplify right side
    219,923.67x = 40,599,648,202.59
  5. Step 5: Solve for x
    x = 40,599,648,202.59/219,923.67
  6. Step 6: Final answer
    x = 184,607.91

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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.