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Finding the Fourth Proportional to 219,969.16, 303,557.44 and 119,367.16

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Solution

The fourth proportional to 219,969.16, 303,557.44 and 119,367.16 is: 164,726.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,969.16 : 303,557.44 = 119,367.16 : x
  2. Step 2: Convert to fraction form
    219,969.16/303,557.44 = 119,367.16/x
  3. Step 3: Cross multiply
    219,969.16x = 303,557.44 × 119,367.16
  4. Step 4: Simplify right side
    219,969.16x = 36,234,789,509.67
  5. Step 5: Solve for x
    x = 36,234,789,509.67/219,969.16
  6. Step 6: Final answer
    x = 164,726.68

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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.