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Finding the Fourth Proportional to 201,797,442.40, 302,696,163.60 and 65,482,825.90

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Solution

The fourth proportional to 201,797,442.40, 302,696,163.60 and 65,482,825.90 is: 98,224,238.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,797,442.40 : 302,696,163.60 = 65,482,825.90 : x
  2. Step 2: Convert to fraction form
    201,797,442.40/302,696,163.60 = 65,482,825.90/x
  3. Step 3: Cross multiply
    201,797,442.40x = 302,696,163.60 × 65,482,825.90
  4. Step 4: Simplify right side
    201,797,442.40x = 19,821,400,181,616,720
  5. Step 5: Solve for x
    x = 19,821,400,181,616,720/201,797,442.40
  6. Step 6: Final answer
    x = 98,224,238.85

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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.