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Finding the Fourth Proportional to 201,245.70, 301,868.55 and 60,986.10

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Solution

The fourth proportional to 201,245.70, 301,868.55 and 60,986.10 is: 91,479.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,245.70 : 301,868.55 = 60,986.10 : x
  2. Step 2: Convert to fraction form
    201,245.70/301,868.55 = 60,986.10/x
  3. Step 3: Cross multiply
    201,245.70x = 301,868.55 × 60,986.10
  4. Step 4: Simplify right side
    201,245.70x = 18,409,785,577.16
  5. Step 5: Solve for x
    x = 18,409,785,577.16/201,245.70
  6. Step 6: Final answer
    x = 91,479.15

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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.