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Finding the Fourth Proportional to 240,144.94, 360,227.13 and 90,369.46

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Solution

The fourth proportional to 240,144.94, 360,227.13 and 90,369.46 is: 135,557.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,144.94 : 360,227.13 = 90,369.46 : x
  2. Step 2: Convert to fraction form
    240,144.94/360,227.13 = 90,369.46/x
  3. Step 3: Cross multiply
    240,144.94x = 360,227.13 × 90,369.46
  4. Step 4: Simplify right side
    240,144.94x = 32,553,531,215.45
  5. Step 5: Solve for x
    x = 32,553,531,215.45/240,144.94
  6. Step 6: Final answer
    x = 135,557.85

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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.