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Finding the Fourth Proportional to 74,284,907.40, 111,427,361.10 and 74,284,907.40

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Solution

The fourth proportional to 74,284,907.40, 111,427,361.10 and 74,284,907.40 is: 111,427,361.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,284,907.40 : 111,427,361.10 = 74,284,907.40 : x
  2. Step 2: Convert to fraction form
    74,284,907.40/111,427,361.10 = 74,284,907.40/x
  3. Step 3: Cross multiply
    74,284,907.40x = 111,427,361.10 × 74,284,907.40
  4. Step 4: Simplify right side
    74,284,907.40x = 8,277,371,201,139,862
  5. Step 5: Solve for x
    x = 8,277,371,201,139,862/74,284,907.40
  6. Step 6: Final answer
    x = 111,427,361.10

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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.