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Finding the Fourth Proportional to 355,983,495.60, 534,134,675.70 and 161,794,954.20

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Solution

The fourth proportional to 355,983,495.60, 534,134,675.70 and 161,794,954.20 is: 242,764,893.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,983,495.60 : 534,134,675.70 = 161,794,954.20 : x
  2. Step 2: Convert to fraction form
    355,983,495.60/534,134,675.70 = 161,794,954.20/x
  3. Step 3: Cross multiply
    355,983,495.60x = 534,134,675.70 × 161,794,954.20
  4. Step 4: Simplify right side
    355,983,495.60x = 86,420,295,391,513,344
  5. Step 5: Solve for x
    x = 86,420,295,391,513,344/355,983,495.60
  6. Step 6: Final answer
    x = 242,764,893.48

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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.