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Finding the Fourth Proportional to 236,196,640.60, 329,910,021.80 and 236,196,640.60

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Solution

The fourth proportional to 236,196,640.60, 329,910,021.80 and 236,196,640.60 is: 329,910,021.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,196,640.60 : 329,910,021.80 = 236,196,640.60 : x
  2. Step 2: Convert to fraction form
    236,196,640.60/329,910,021.80 = 236,196,640.60/x
  3. Step 3: Cross multiply
    236,196,640.60x = 329,910,021.80 × 236,196,640.60
  4. Step 4: Simplify right side
    236,196,640.60x = 77,923,638,849,432,768
  5. Step 5: Solve for x
    x = 77,923,638,849,432,768/236,196,640.60
  6. Step 6: Final answer
    x = 329,910,021.80

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.