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Finding the Fourth Proportional to 12,294,145.65, 17,236,998.15 and 12,294,145.65

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Solution

The fourth proportional to 12,294,145.65, 17,236,998.15 and 12,294,145.65 is: 17,236,998.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,294,145.65 : 17,236,998.15 = 12,294,145.65 : x
  2. Step 2: Convert to fraction form
    12,294,145.65/17,236,998.15 = 12,294,145.65/x
  3. Step 3: Cross multiply
    12,294,145.65x = 17,236,998.15 × 12,294,145.65
  4. Step 4: Simplify right side
    12,294,145.65x = 211,914,165,824,880.53
  5. Step 5: Solve for x
    x = 211,914,165,824,880.53/12,294,145.65
  6. Step 6: Final answer
    x = 17,236,998.15

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.