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Finding the Fourth Proportional to 70,141.74, 105,218.04 and 23,394.54

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Solution

The fourth proportional to 70,141.74, 105,218.04 and 23,394.54 is: 35,093.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,141.74 : 105,218.04 = 23,394.54 : x
  2. Step 2: Convert to fraction form
    70,141.74/105,218.04 = 23,394.54/x
  3. Step 3: Cross multiply
    70,141.74x = 105,218.04 × 23,394.54
  4. Step 4: Simplify right side
    70,141.74x = 2,461,527,645.50
  5. Step 5: Solve for x
    x = 2,461,527,645.50/70,141.74
  6. Step 6: Final answer
    x = 35,093.62

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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.