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Finding the Fourth Proportional to 92,978,663.40, 139,467,994.29 and 33,895,474.92

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Solution

The fourth proportional to 92,978,663.40, 139,467,994.29 and 33,895,474.92 is: 50,843,212.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,978,663.40 : 139,467,994.29 = 33,895,474.92 : x
  2. Step 2: Convert to fraction form
    92,978,663.40/139,467,994.29 = 33,895,474.92/x
  3. Step 3: Cross multiply
    92,978,663.40x = 139,467,994.29 × 33,895,474.92
  4. Step 4: Simplify right side
    92,978,663.40x = 4,727,333,902,599,398
  5. Step 5: Solve for x
    x = 4,727,333,902,599,398/92,978,663.40
  6. Step 6: Final answer
    x = 50,843,212.08

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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.