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Finding the Fourth Proportional to 223,216.38, 307,860.37 and 146,813.91

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Solution

The fourth proportional to 223,216.38, 307,860.37 and 146,813.91 is: 202,485.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,216.38 : 307,860.37 = 146,813.91 : x
  2. Step 2: Convert to fraction form
    223,216.38/307,860.37 = 146,813.91/x
  3. Step 3: Cross multiply
    223,216.38x = 307,860.37 × 146,813.91
  4. Step 4: Simplify right side
    223,216.38x = 45,198,184,653.75
  5. Step 5: Solve for x
    x = 45,198,184,653.75/223,216.38
  6. Step 6: Final answer
    x = 202,485.97

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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.