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Finding the Fourth Proportional to 220,173.48, 303,735.08 and 148,576.59

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Solution

The fourth proportional to 220,173.48, 303,735.08 and 148,576.59 is: 204,965.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,173.48 : 303,735.08 = 148,576.59 : x
  2. Step 2: Convert to fraction form
    220,173.48/303,735.08 = 148,576.59/x
  3. Step 3: Cross multiply
    220,173.48x = 303,735.08 × 148,576.59
  4. Step 4: Simplify right side
    220,173.48x = 45,127,922,821.22
  5. Step 5: Solve for x
    x = 45,127,922,821.22/220,173.48
  6. Step 6: Final answer
    x = 204,965.30

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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.