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Finding the Fourth Proportional to 242,643,644.70, 363,965,467.05 and 161,014,307.10

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Solution

The fourth proportional to 242,643,644.70, 363,965,467.05 and 161,014,307.10 is: 241,521,460.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,643,644.70 : 363,965,467.05 = 161,014,307.10 : x
  2. Step 2: Convert to fraction form
    242,643,644.70/363,965,467.05 = 161,014,307.10/x
  3. Step 3: Cross multiply
    242,643,644.70x = 363,965,467.05 × 161,014,307.10
  4. Step 4: Simplify right side
    242,643,644.70x = 58,603,647,485,383,632
  5. Step 5: Solve for x
    x = 58,603,647,485,383,632/242,643,644.70
  6. Step 6: Final answer
    x = 241,521,460.65

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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.