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Finding the Fourth Proportional to 70,246.44, 105,258.69 and 57,034.26

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Solution

The fourth proportional to 70,246.44, 105,258.69 and 57,034.26 is: 85,461.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,246.44 : 105,258.69 = 57,034.26 : x
  2. Step 2: Convert to fraction form
    70,246.44/105,258.69 = 57,034.26/x
  3. Step 3: Cross multiply
    70,246.44x = 105,258.69 × 57,034.26
  4. Step 4: Simplify right side
    70,246.44x = 6,003,351,492.72
  5. Step 5: Solve for x
    x = 6,003,351,492.72/70,246.44
  6. Step 6: Final answer
    x = 85,461.29

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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.