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Finding the Fourth Proportional to 190,804,805.60, 267,731,389.60 and 190,804,805.60

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Solution

The fourth proportional to 190,804,805.60, 267,731,389.60 and 190,804,805.60 is: 267,731,389.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,804,805.60 : 267,731,389.60 = 190,804,805.60 : x
  2. Step 2: Convert to fraction form
    190,804,805.60/267,731,389.60 = 190,804,805.60/x
  3. Step 3: Cross multiply
    190,804,805.60x = 267,731,389.60 × 190,804,805.60
  4. Step 4: Simplify right side
    190,804,805.60x = 51,084,435,745,645,856
  5. Step 5: Solve for x
    x = 51,084,435,745,645,856/190,804,805.60
  6. Step 6: Final answer
    x = 267,731,389.60

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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.