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Finding the Fourth Proportional to 72,376,990.60, 108,581,232.30 and 23,846,585.80

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Solution

The fourth proportional to 72,376,990.60, 108,581,232.30 and 23,846,585.80 is: 35,775,066.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,376,990.60 : 108,581,232.30 = 23,846,585.80 : x
  2. Step 2: Convert to fraction form
    72,376,990.60/108,581,232.30 = 23,846,585.80/x
  3. Step 3: Cross multiply
    72,376,990.60x = 108,581,232.30 × 23,846,585.80
  4. Step 4: Simplify right side
    72,376,990.60x = 2,589,291,672,311,681.50
  5. Step 5: Solve for x
    x = 2,589,291,672,311,681.50/72,376,990.60
  6. Step 6: Final answer
    x = 35,775,066.78

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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.