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Finding the Fourth Proportional to 72,033.39, 108,015.51 and 34,051.05

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Solution

The fourth proportional to 72,033.39, 108,015.51 and 34,051.05 is: 51,060.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,033.39 : 108,015.51 = 34,051.05 : x
  2. Step 2: Convert to fraction form
    72,033.39/108,015.51 = 34,051.05/x
  3. Step 3: Cross multiply
    72,033.39x = 108,015.51 × 34,051.05
  4. Step 4: Simplify right side
    72,033.39x = 3,678,041,531.79
  5. Step 5: Solve for x
    x = 3,678,041,531.79/72,033.39
  6. Step 6: Final answer
    x = 51,060.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.