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Finding the Fourth Proportional to 74,889,938.10, 104,987,471.10 and 74,889,938.10

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Solution

The fourth proportional to 74,889,938.10, 104,987,471.10 and 74,889,938.10 is: 104,987,471.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,889,938.10 : 104,987,471.10 = 74,889,938.10 : x
  2. Step 2: Convert to fraction form
    74,889,938.10/104,987,471.10 = 74,889,938.10/x
  3. Step 3: Cross multiply
    74,889,938.10x = 104,987,471.10 × 74,889,938.10
  4. Step 4: Simplify right side
    74,889,938.10x = 7,862,505,211,954,538
  5. Step 5: Solve for x
    x = 7,862,505,211,954,538/74,889,938.10
  6. Step 6: Final answer
    x = 104,987,471.10

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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.