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Finding the Fourth Proportional to 92,978,401.16, 139,467,601.08 and 33,895,212.54

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Solution

The fourth proportional to 92,978,401.16, 139,467,601.08 and 33,895,212.54 is: 50,842,818.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,978,401.16 : 139,467,601.08 = 33,895,212.54 : x
  2. Step 2: Convert to fraction form
    92,978,401.16/139,467,601.08 = 33,895,212.54/x
  3. Step 3: Cross multiply
    92,978,401.16x = 139,467,601.08 × 33,895,212.54
  4. Step 4: Simplify right side
    92,978,401.16x = 4,727,283,981,050,534
  5. Step 5: Solve for x
    x = 4,727,283,981,050,534/92,978,401.16
  6. Step 6: Final answer
    x = 50,842,818.57

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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.