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Finding the Fourth Proportional to 74,754,272.60, 112,131,408.90 and 74,754,272.60

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Solution

The fourth proportional to 74,754,272.60, 112,131,408.90 and 74,754,272.60 is: 112,131,408.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,754,272.60 : 112,131,408.90 = 74,754,272.60 : x
  2. Step 2: Convert to fraction form
    74,754,272.60/112,131,408.90 = 74,754,272.60/x
  3. Step 3: Cross multiply
    74,754,272.60x = 112,131,408.90 × 74,754,272.60
  4. Step 4: Simplify right side
    74,754,272.60x = 8,382,301,907,932,666
  5. Step 5: Solve for x
    x = 8,382,301,907,932,666/74,754,272.60
  6. Step 6: Final answer
    x = 112,131,408.90

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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.