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Finding the Fourth Proportional to 105,589.70, 158,368.04 and 34,511.79

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Solution

The fourth proportional to 105,589.70, 158,368.04 and 34,511.79 is: 51,762.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,589.70 : 158,368.04 = 34,511.79 : x
  2. Step 2: Convert to fraction form
    105,589.70/158,368.04 = 34,511.79/x
  3. Step 3: Cross multiply
    105,589.70x = 158,368.04 × 34,511.79
  4. Step 4: Simplify right side
    105,589.70x = 5,465,564,539.19
  5. Step 5: Solve for x
    x = 5,465,564,539.19/105,589.70
  6. Step 6: Final answer
    x = 51,762.29

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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.