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Finding the Fourth Proportional to 73,216.31, 101,038.79 and 46,330.79

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Solution

The fourth proportional to 73,216.31, 101,038.79 and 46,330.79 is: 63,936.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,216.31 : 101,038.79 = 46,330.79 : x
  2. Step 2: Convert to fraction form
    73,216.31/101,038.79 = 46,330.79/x
  3. Step 3: Cross multiply
    73,216.31x = 101,038.79 × 46,330.79
  4. Step 4: Simplify right side
    73,216.31x = 4,681,206,571.98
  5. Step 5: Solve for x
    x = 4,681,206,571.98/73,216.31
  6. Step 6: Final answer
    x = 63,936.67

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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.