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Finding the Fourth Proportional to 70,376.00, 97,120.50 and 40,164.14

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Solution

The fourth proportional to 70,376.00, 97,120.50 and 40,164.14 is: 55,427.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,376.00 : 97,120.50 = 40,164.14 : x
  2. Step 2: Convert to fraction form
    70,376.00/97,120.50 = 40,164.14/x
  3. Step 3: Cross multiply
    70,376.00x = 97,120.50 × 40,164.14
  4. Step 4: Simplify right side
    70,376.00x = 3,900,760,873.27
  5. Step 5: Solve for x
    x = 3,900,760,873.27/70,376.00
  6. Step 6: Final answer
    x = 55,427.43

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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.