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Finding the Fourth Proportional to 68,804,959.03, 94,950,816.06 and 37,865,128.30

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Solution

The fourth proportional to 68,804,959.03, 94,950,816.06 and 37,865,128.30 is: 52,253,861.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,804,959.03 : 94,950,816.06 = 37,865,128.30 : x
  2. Step 2: Convert to fraction form
    68,804,959.03/94,950,816.06 = 37,865,128.30/x
  3. Step 3: Cross multiply
    68,804,959.03x = 94,950,816.06 × 37,865,128.30
  4. Step 4: Simplify right side
    68,804,959.03x = 3,595,324,832,301,600.50
  5. Step 5: Solve for x
    x = 3,595,324,832,301,600.50/68,804,959.03
  6. Step 6: Final answer
    x = 52,253,861.97

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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.