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Finding the Fourth Proportional to 70,364.30, 105,546.66 and 17,056.06

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Solution

The fourth proportional to 70,364.30, 105,546.66 and 17,056.06 is: 25,584.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,364.30 : 105,546.66 = 17,056.06 : x
  2. Step 2: Convert to fraction form
    70,364.30/105,546.66 = 17,056.06/x
  3. Step 3: Cross multiply
    70,364.30x = 105,546.66 × 17,056.06
  4. Step 4: Simplify right side
    70,364.30x = 1,800,210,233.73
  5. Step 5: Solve for x
    x = 1,800,210,233.73/70,364.30
  6. Step 6: Final answer
    x = 25,584.14

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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.