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Finding the Fourth Proportional to 219,889.59, 303,448.20 and 119,287.59

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Solution

The fourth proportional to 219,889.59, 303,448.20 and 119,287.59 is: 164,617.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,889.59 : 303,448.20 = 119,287.59 : x
  2. Step 2: Convert to fraction form
    219,889.59/303,448.20 = 119,287.59/x
  3. Step 3: Cross multiply
    219,889.59x = 303,448.20 × 119,287.59
  4. Step 4: Simplify right side
    219,889.59x = 36,197,604,467.84
  5. Step 5: Solve for x
    x = 36,197,604,467.84/219,889.59
  6. Step 6: Final answer
    x = 164,617.18

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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.