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Finding the Fourth Proportional to 17,963,141.70, 25,212,171.30 and 17,963,141.70

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Solution

The fourth proportional to 17,963,141.70, 25,212,171.30 and 17,963,141.70 is: 25,212,171.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,963,141.70 : 25,212,171.30 = 17,963,141.70 : x
  2. Step 2: Convert to fraction form
    17,963,141.70/25,212,171.30 = 17,963,141.70/x
  3. Step 3: Cross multiply
    17,963,141.70x = 25,212,171.30 × 17,963,141.70
  4. Step 4: Simplify right side
    17,963,141.70x = 452,889,805,626,573.19
  5. Step 5: Solve for x
    x = 452,889,805,626,573.19/17,963,141.70
  6. Step 6: Final answer
    x = 25,212,171.30

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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.