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Finding the Fourth Proportional to 137,941.94, 190,192.89 and 107,323.94

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Solution

The fourth proportional to 137,941.94, 190,192.89 and 107,323.94 is: 147,977.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,941.94 : 190,192.89 = 107,323.94 : x
  2. Step 2: Convert to fraction form
    137,941.94/190,192.89 = 107,323.94/x
  3. Step 3: Cross multiply
    137,941.94x = 190,192.89 × 107,323.94
  4. Step 4: Simplify right side
    137,941.94x = 20,412,250,314.79
  5. Step 5: Solve for x
    x = 20,412,250,314.79/137,941.94
  6. Step 6: Final answer
    x = 147,977.11

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