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Finding the Fourth Proportional to 219,879.64, 303,434.49 and 119,277.64

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Solution

The fourth proportional to 219,879.64, 303,434.49 and 119,277.64 is: 164,603.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,879.64 : 303,434.49 = 119,277.64 : x
  2. Step 2: Convert to fraction form
    219,879.64/303,434.49 = 119,277.64/x
  3. Step 3: Cross multiply
    219,879.64x = 303,434.49 × 119,277.64
  4. Step 4: Simplify right side
    219,879.64x = 36,192,950,017.45
  5. Step 5: Solve for x
    x = 36,192,950,017.45/219,879.64
  6. Step 6: Final answer
    x = 164,603.46

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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.