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Finding the Fourth Proportional to 66,701,294.73, 91,974,692.03 and 43,453,309.77

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Solution

The fourth proportional to 66,701,294.73, 91,974,692.03 and 43,453,309.77 is: 59,917,949.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,701,294.73 : 91,974,692.03 = 43,453,309.77 : x
  2. Step 2: Convert to fraction form
    66,701,294.73/91,974,692.03 = 43,453,309.77/x
  3. Step 3: Cross multiply
    66,701,294.73x = 91,974,692.03 × 43,453,309.77
  4. Step 4: Simplify right side
    66,701,294.73x = 3,996,604,783,562,674
  5. Step 5: Solve for x
    x = 3,996,604,783,562,674/66,701,294.73
  6. Step 6: Final answer
    x = 59,917,949.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.