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Finding the Fourth Proportional to 73,393.90, 101,283.01 and 39,859.90

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Solution

The fourth proportional to 73,393.90, 101,283.01 and 39,859.90 is: 55,006.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,393.90 : 101,283.01 = 39,859.90 : x
  2. Step 2: Convert to fraction form
    73,393.90/101,283.01 = 39,859.90/x
  3. Step 3: Cross multiply
    73,393.90x = 101,283.01 × 39,859.90
  4. Step 4: Simplify right side
    73,393.90x = 4,037,130,297.44
  5. Step 5: Solve for x
    x = 4,037,130,297.44/73,393.90
  6. Step 6: Final answer
    x = 55,006.35

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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.