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Finding the Fourth Proportional to 104,367.34, 155,295.63 and 104,017.42

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Solution

The fourth proportional to 104,367.34, 155,295.63 and 104,017.42 is: 154,774.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,367.34 : 155,295.63 = 104,017.42 : x
  2. Step 2: Convert to fraction form
    104,367.34/155,295.63 = 104,017.42/x
  3. Step 3: Cross multiply
    104,367.34x = 155,295.63 × 104,017.42
  4. Step 4: Simplify right side
    104,367.34x = 16,153,450,769.87
  5. Step 5: Solve for x
    x = 16,153,450,769.87/104,367.34
  6. Step 6: Final answer
    x = 154,774.96

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.