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Finding the Fourth Proportional to 73,102.81, 100,928.37 and 59,706.04

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Solution

The fourth proportional to 73,102.81, 100,928.37 and 59,706.04 is: 82,432.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,102.81 : 100,928.37 = 59,706.04 : x
  2. Step 2: Convert to fraction form
    73,102.81/100,928.37 = 59,706.04/x
  3. Step 3: Cross multiply
    73,102.81x = 100,928.37 × 59,706.04
  4. Step 4: Simplify right side
    73,102.81x = 6,026,033,296.35
  5. Step 5: Solve for x
    x = 6,026,033,296.35/73,102.81
  6. Step 6: Final answer
    x = 82,432.31

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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.