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Finding the Fourth Proportional to 201,017,469.20, 301,526,203.80 and 180,610,134.80

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Solution

The fourth proportional to 201,017,469.20, 301,526,203.80 and 180,610,134.80 is: 270,915,202.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,017,469.20 : 301,526,203.80 = 180,610,134.80 : x
  2. Step 2: Convert to fraction form
    201,017,469.20/301,526,203.80 = 180,610,134.80/x
  3. Step 3: Cross multiply
    201,017,469.20x = 301,526,203.80 × 180,610,134.80
  4. Step 4: Simplify right side
    201,017,469.20x = 54,458,688,314,050,280
  5. Step 5: Solve for x
    x = 54,458,688,314,050,280/201,017,469.20
  6. Step 6: Final answer
    x = 270,915,202.20

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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.