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Finding the Fourth Proportional to 72,382,617.60, 108,589,672.80 and 23,852,212.80

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Solution

The fourth proportional to 72,382,617.60, 108,589,672.80 and 23,852,212.80 is: 35,783,508.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,382,617.60 : 108,589,672.80 = 23,852,212.80 : x
  2. Step 2: Convert to fraction form
    72,382,617.60/108,589,672.80 = 23,852,212.80/x
  3. Step 3: Cross multiply
    72,382,617.60x = 108,589,672.80 × 23,852,212.80
  4. Step 4: Simplify right side
    72,382,617.60x = 2,590,103,983,507,972
  5. Step 5: Solve for x
    x = 2,590,103,983,507,972/72,382,617.60
  6. Step 6: Final answer
    x = 35,783,508.10

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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.