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Finding the Fourth Proportional to 201,006,189.20, 300,871,554.60 and 201,006,189.20

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Solution

The fourth proportional to 201,006,189.20, 300,871,554.60 and 201,006,189.20 is: 300,871,554.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,006,189.20 : 300,871,554.60 = 201,006,189.20 : x
  2. Step 2: Convert to fraction form
    201,006,189.20/300,871,554.60 = 201,006,189.20/x
  3. Step 3: Cross multiply
    201,006,189.20x = 300,871,554.60 × 201,006,189.20
  4. Step 4: Simplify right side
    201,006,189.20x = 60,477,044,628,825,728
  5. Step 5: Solve for x
    x = 60,477,044,628,825,728/201,006,189.20
  6. Step 6: Final answer
    x = 300,871,554.60

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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.