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Finding the Fourth Proportional to 43,281,375.09, 64,922,191.78 and 10,491,813.93

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Solution

The fourth proportional to 43,281,375.09, 64,922,191.78 and 10,491,813.93 is: 15,737,752.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,281,375.09 : 64,922,191.78 = 10,491,813.93 : x
  2. Step 2: Convert to fraction form
    43,281,375.09/64,922,191.78 = 10,491,813.93/x
  3. Step 3: Cross multiply
    43,281,375.09x = 64,922,191.78 × 10,491,813.93
  4. Step 4: Simplify right side
    43,281,375.09x = 681,151,556,083,535.50
  5. Step 5: Solve for x
    x = 681,151,556,083,535.50/43,281,375.09
  6. Step 6: Final answer
    x = 15,737,752.20

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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.