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Finding the Fourth Proportional to 70,068.44, 105,040.17 and 25,684.83

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Solution

The fourth proportional to 70,068.44, 105,040.17 and 25,684.83 is: 38,504.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,068.44 : 105,040.17 = 25,684.83 : x
  2. Step 2: Convert to fraction form
    70,068.44/105,040.17 = 25,684.83/x
  3. Step 3: Cross multiply
    70,068.44x = 105,040.17 × 25,684.83
  4. Step 4: Simplify right side
    70,068.44x = 2,697,939,280.52
  5. Step 5: Solve for x
    x = 2,697,939,280.52/70,068.44
  6. Step 6: Final answer
    x = 38,504.34

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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.