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Finding the Fourth Proportional to 43,802,145.15, 65,703,217.73 and 43,802,145.15

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Solution

The fourth proportional to 43,802,145.15, 65,703,217.73 and 43,802,145.15 is: 65,703,217.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,802,145.15 : 65,703,217.73 = 43,802,145.15 : x
  2. Step 2: Convert to fraction form
    43,802,145.15/65,703,217.73 = 43,802,145.15/x
  3. Step 3: Cross multiply
    43,802,145.15x = 65,703,217.73 × 43,802,145.15
  4. Step 4: Simplify right side
    43,802,145.15x = 2,877,941,879,612,503
  5. Step 5: Solve for x
    x = 2,877,941,879,612,503/43,802,145.15
  6. Step 6: Final answer
    x = 65,703,217.73

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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.