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Finding the Fourth Proportional to 363,691,745.70, 545,537,618.55 and 104,915,408.10

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Solution

The fourth proportional to 363,691,745.70, 545,537,618.55 and 104,915,408.10 is: 157,373,112.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,691,745.70 : 545,537,618.55 = 104,915,408.10 : x
  2. Step 2: Convert to fraction form
    363,691,745.70/545,537,618.55 = 104,915,408.10/x
  3. Step 3: Cross multiply
    363,691,745.70x = 545,537,618.55 × 104,915,408.10
  4. Step 4: Simplify right side
    363,691,745.70x = 57,235,301,884,075,376
  5. Step 5: Solve for x
    x = 57,235,301,884,075,376/363,691,745.70
  6. Step 6: Final answer
    x = 157,373,112.15

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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.