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Finding the Fourth Proportional to 201,002.88, 301,220.84 and 111,086.08

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Solution

The fourth proportional to 201,002.88, 301,220.84 and 111,086.08 is: 166,472.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,002.88 : 301,220.84 = 111,086.08 : x
  2. Step 2: Convert to fraction form
    201,002.88/301,220.84 = 111,086.08/x
  3. Step 3: Cross multiply
    201,002.88x = 301,220.84 × 111,086.08
  4. Step 4: Simplify right side
    201,002.88x = 33,461,440,823.80
  5. Step 5: Solve for x
    x = 33,461,440,823.80/201,002.88
  6. Step 6: Final answer
    x = 166,472.45

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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.