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Finding the Fourth Proportional to 117,626,996.80, 176,188,552.80 and 97,471,604.80

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Solution

The fourth proportional to 117,626,996.80, 176,188,552.80 and 97,471,604.80 is: 145,998,635.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,626,996.80 : 176,188,552.80 = 97,471,604.80 : x
  2. Step 2: Convert to fraction form
    117,626,996.80/176,188,552.80 = 97,471,604.80/x
  3. Step 3: Cross multiply
    117,626,996.80x = 176,188,552.80 × 97,471,604.80
  4. Step 4: Simplify right side
    117,626,996.80x = 17,173,380,988,805,534
  5. Step 5: Solve for x
    x = 17,173,380,988,805,534/117,626,996.80
  6. Step 6: Final answer
    x = 145,998,635.14

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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.