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Finding the Fourth Proportional to 93,399,836.26, 139,978,233.43 and 38,003,112.29

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Solution

The fourth proportional to 93,399,836.26, 139,978,233.43 and 38,003,112.29 is: 56,955,223.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,399,836.26 : 139,978,233.43 = 38,003,112.29 : x
  2. Step 2: Convert to fraction form
    93,399,836.26/139,978,233.43 = 38,003,112.29/x
  3. Step 3: Cross multiply
    93,399,836.26x = 139,978,233.43 × 38,003,112.29
  4. Step 4: Simplify right side
    93,399,836.26x = 5,319,608,522,401,223
  5. Step 5: Solve for x
    x = 5,319,608,522,401,223/93,399,836.26
  6. Step 6: Final answer
    x = 56,955,223.22

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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.