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Finding the Fourth Proportional to 73,253.66, 101,055.90 and 47,420.56

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Solution

The fourth proportional to 73,253.66, 101,055.90 and 47,420.56 is: 65,418.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,253.66 : 101,055.90 = 47,420.56 : x
  2. Step 2: Convert to fraction form
    73,253.66/101,055.90 = 47,420.56/x
  3. Step 3: Cross multiply
    73,253.66x = 101,055.90 × 47,420.56
  4. Step 4: Simplify right side
    73,253.66x = 4,792,127,369.30
  5. Step 5: Solve for x
    x = 4,792,127,369.30/73,253.66
  6. Step 6: Final answer
    x = 65,418.27

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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.