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Finding the Fourth Proportional to 124,561.50, 186,852.78 and 39,191.94

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Solution

The fourth proportional to 124,561.50, 186,852.78 and 39,191.94 is: 58,791.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,561.50 : 186,852.78 = 39,191.94 : x
  2. Step 2: Convert to fraction form
    124,561.50/186,852.78 = 39,191.94/x
  3. Step 3: Cross multiply
    124,561.50x = 186,852.78 × 39,191.94
  4. Step 4: Simplify right side
    124,561.50x = 7,323,122,942.59
  5. Step 5: Solve for x
    x = 7,323,122,942.59/124,561.50
  6. Step 6: Final answer
    x = 58,791.22

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.