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Finding the Fourth Proportional to 43,103,418.53, 64,655,127.79 and 43,103,418.53

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Solution

The fourth proportional to 43,103,418.53, 64,655,127.79 and 43,103,418.53 is: 64,655,127.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,103,418.53 : 64,655,127.79 = 43,103,418.53 : x
  2. Step 2: Convert to fraction form
    43,103,418.53/64,655,127.79 = 43,103,418.53/x
  3. Step 3: Cross multiply
    43,103,418.53x = 64,655,127.79 × 43,103,418.53
  4. Step 4: Simplify right side
    43,103,418.53x = 2,786,857,032,811,969.50
  5. Step 5: Solve for x
    x = 2,786,857,032,811,969.50/43,103,418.53
  6. Step 6: Final answer
    x = 64,655,127.79

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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.