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Finding the Fourth Proportional to 105,833.44, 158,506.62 and 61,350.40

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Solution

The fourth proportional to 105,833.44, 158,506.62 and 61,350.40 is: 91,884.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,833.44 : 158,506.62 = 61,350.40 : x
  2. Step 2: Convert to fraction form
    105,833.44/158,506.62 = 61,350.40/x
  3. Step 3: Cross multiply
    105,833.44x = 158,506.62 × 61,350.40
  4. Step 4: Simplify right side
    105,833.44x = 9,724,444,539.65
  5. Step 5: Solve for x
    x = 9,724,444,539.65/105,833.44
  6. Step 6: Final answer
    x = 91,884.42

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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.