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Finding the Fourth Proportional to 72,376,991.60, 108,581,233.80 and 23,846,586.80

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Solution

The fourth proportional to 72,376,991.60, 108,581,233.80 and 23,846,586.80 is: 35,775,068.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,376,991.60 : 108,581,233.80 = 23,846,586.80 : x
  2. Step 2: Convert to fraction form
    72,376,991.60/108,581,233.80 = 23,846,586.80/x
  3. Step 3: Cross multiply
    72,376,991.60x = 108,581,233.80 × 23,846,586.80
  4. Step 4: Simplify right side
    72,376,991.60x = 2,589,291,816,662,794
  5. Step 5: Solve for x
    x = 2,589,291,816,662,794/72,376,991.60
  6. Step 6: Final answer
    x = 35,775,068.28

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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.