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Finding the Fourth Proportional to 144,485.33, 216,771.63 and 43,286.66

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Solution

The fourth proportional to 144,485.33, 216,771.63 and 43,286.66 is: 64,943.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,485.33 : 216,771.63 = 43,286.66 : x
  2. Step 2: Convert to fraction form
    144,485.33/216,771.63 = 43,286.66/x
  3. Step 3: Cross multiply
    144,485.33x = 216,771.63 × 43,286.66
  4. Step 4: Simplify right side
    144,485.33x = 9,383,320,116.42
  5. Step 5: Solve for x
    x = 9,383,320,116.42/144,485.33
  6. Step 6: Final answer
    x = 64,943.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.