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Finding the Fourth Proportional to 201,204,052.40, 301,806,078.60 and 188,449,468.40

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Solution

The fourth proportional to 201,204,052.40, 301,806,078.60 and 188,449,468.40 is: 282,674,202.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,204,052.40 : 301,806,078.60 = 188,449,468.40 : x
  2. Step 2: Convert to fraction form
    201,204,052.40/301,806,078.60 = 188,449,468.40/x
  3. Step 3: Cross multiply
    201,204,052.40x = 301,806,078.60 × 188,449,468.40
  4. Step 4: Simplify right side
    201,204,052.40x = 56,875,195,072,058,624
  5. Step 5: Solve for x
    x = 56,875,195,072,058,624/201,204,052.40
  6. Step 6: Final answer
    x = 282,674,202.60

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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.