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Finding the Fourth Proportional to 74,371,520.20, 111,557,280.30 and 74,371,520.20

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Solution

The fourth proportional to 74,371,520.20, 111,557,280.30 and 74,371,520.20 is: 111,557,280.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,371,520.20 : 111,557,280.30 = 74,371,520.20 : x
  2. Step 2: Convert to fraction form
    74,371,520.20/111,557,280.30 = 74,371,520.20/x
  3. Step 3: Cross multiply
    74,371,520.20x = 111,557,280.30 × 74,371,520.20
  4. Step 4: Simplify right side
    74,371,520.20x = 8,296,684,525,288,512
  5. Step 5: Solve for x
    x = 8,296,684,525,288,512/74,371,520.20
  6. Step 6: Final answer
    x = 111,557,280.30

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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.