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Finding the Fourth Proportional to 99,955.44, 150,007.10 and 47,365.02

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Solution

The fourth proportional to 99,955.44, 150,007.10 and 47,365.02 is: 71,082.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,955.44 : 150,007.10 = 47,365.02 : x
  2. Step 2: Convert to fraction form
    99,955.44/150,007.10 = 47,365.02/x
  3. Step 3: Cross multiply
    99,955.44x = 150,007.10 × 47,365.02
  4. Step 4: Simplify right side
    99,955.44x = 7,105,089,054.82
  5. Step 5: Solve for x
    x = 7,105,089,054.82/99,955.44
  6. Step 6: Final answer
    x = 71,082.56

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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.