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Finding the Fourth Proportional to 117,515,755.70, 164,692,119.10 and 117,515,755.70

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Solution

The fourth proportional to 117,515,755.70, 164,692,119.10 and 117,515,755.70 is: 164,692,119.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,515,755.70 : 164,692,119.10 = 117,515,755.70 : x
  2. Step 2: Convert to fraction form
    117,515,755.70/164,692,119.10 = 117,515,755.70/x
  3. Step 3: Cross multiply
    117,515,755.70x = 164,692,119.10 × 117,515,755.70
  4. Step 4: Simplify right side
    117,515,755.70x = 19,353,918,833,870,904
  5. Step 5: Solve for x
    x = 19,353,918,833,870,904/117,515,755.70
  6. Step 6: Final answer
    x = 164,692,119.10

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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.