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Finding the Fourth Proportional to 70,483.36, 105,694.32 and 23,723.68

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Solution

The fourth proportional to 70,483.36, 105,694.32 and 23,723.68 is: 35,575.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,483.36 : 105,694.32 = 23,723.68 : x
  2. Step 2: Convert to fraction form
    70,483.36/105,694.32 = 23,723.68/x
  3. Step 3: Cross multiply
    70,483.36x = 105,694.32 × 23,723.68
  4. Step 4: Simplify right side
    70,483.36x = 2,507,458,225.50
  5. Step 5: Solve for x
    x = 2,507,458,225.50/70,483.36
  6. Step 6: Final answer
    x = 35,575.18

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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.