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Finding the Fourth Proportional to 73,752, 101,785.44 and 45,456.96

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Solution

The fourth proportional to 73,752, 101,785.44 and 45,456.96 is: 62,735.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,752 : 101,785.44 = 45,456.96 : x
  2. Step 2: Convert to fraction form
    73,752/101,785.44 = 45,456.96/x
  3. Step 3: Cross multiply
    73,752x = 101,785.44 × 45,456.96
  4. Step 4: Simplify right side
    73,752x = 4,626,856,674.66
  5. Step 5: Solve for x
    x = 4,626,856,674.66/73,752
  6. Step 6: Final answer
    x = 62,735.34

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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.