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Finding the Fourth Proportional to 147,361.54, 220,857.34 and 63,022.50

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Solution

The fourth proportional to 147,361.54, 220,857.34 and 63,022.50 is: 94,454.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,361.54 : 220,857.34 = 63,022.50 : x
  2. Step 2: Convert to fraction form
    147,361.54/220,857.34 = 63,022.50/x
  3. Step 3: Cross multiply
    147,361.54x = 220,857.34 × 63,022.50
  4. Step 4: Simplify right side
    147,361.54x = 13,918,981,710.15
  5. Step 5: Solve for x
    x = 13,918,981,710.15/147,361.54
  6. Step 6: Final answer
    x = 94,454.64

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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.