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Finding the Fourth Proportional to 202,269,833.60, 303,404,750.40 and 180,728,758.40

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Solution

The fourth proportional to 202,269,833.60, 303,404,750.40 and 180,728,758.40 is: 271,093,137.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,269,833.60 : 303,404,750.40 = 180,728,758.40 : x
  2. Step 2: Convert to fraction form
    202,269,833.60/303,404,750.40 = 180,728,758.40/x
  3. Step 3: Cross multiply
    202,269,833.60x = 303,404,750.40 × 180,728,758.40
  4. Step 4: Simplify right side
    202,269,833.60x = 54,833,963,832,453,904
  5. Step 5: Solve for x
    x = 54,833,963,832,453,904/202,269,833.60
  6. Step 6: Final answer
    x = 271,093,137.60

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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.