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Finding the Fourth Proportional to 145,476.54, 218,213.37 and 50,706.54

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Solution

The fourth proportional to 145,476.54, 218,213.37 and 50,706.54 is: 76,059.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,476.54 : 218,213.37 = 50,706.54 : x
  2. Step 2: Convert to fraction form
    145,476.54/218,213.37 = 50,706.54/x
  3. Step 3: Cross multiply
    145,476.54x = 218,213.37 × 50,706.54
  4. Step 4: Simplify right side
    145,476.54x = 11,064,844,974.44
  5. Step 5: Solve for x
    x = 11,064,844,974.44/145,476.54
  6. Step 6: Final answer
    x = 76,059.31

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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.