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Finding the Fourth Proportional to 73,663.81, 101,629.42 and 48,184.72

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Solution

The fourth proportional to 73,663.81, 101,629.42 and 48,184.72 is: 66,477.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,663.81 : 101,629.42 = 48,184.72 : x
  2. Step 2: Convert to fraction form
    73,663.81/101,629.42 = 48,184.72/x
  3. Step 3: Cross multiply
    73,663.81x = 101,629.42 × 48,184.72
  4. Step 4: Simplify right side
    73,663.81x = 4,896,984,771.93
  5. Step 5: Solve for x
    x = 4,896,984,771.93/73,663.81
  6. Step 6: Final answer
    x = 66,477.49

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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.