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Finding the Fourth Proportional to 70,393, 97,150.44 and 40,182.64

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Solution

The fourth proportional to 70,393, 97,150.44 and 40,182.64 is: 55,456.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,393 : 97,150.44 = 40,182.64 : x
  2. Step 2: Convert to fraction form
    70,393/97,150.44 = 40,182.64/x
  3. Step 3: Cross multiply
    70,393x = 97,150.44 × 40,182.64
  4. Step 4: Simplify right side
    70,393x = 3,903,761,156.36
  5. Step 5: Solve for x
    x = 3,903,761,156.36/70,393
  6. Step 6: Final answer
    x = 55,456.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.