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Finding the Fourth Proportional to 91,369.62, 137,025.27 and 29,025.54

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Solution

The fourth proportional to 91,369.62, 137,025.27 and 29,025.54 is: 43,529.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,369.62 : 137,025.27 = 29,025.54 : x
  2. Step 2: Convert to fraction form
    91,369.62/137,025.27 = 29,025.54/x
  3. Step 3: Cross multiply
    91,369.62x = 137,025.27 × 29,025.54
  4. Step 4: Simplify right side
    91,369.62x = 3,977,232,455.40
  5. Step 5: Solve for x
    x = 3,977,232,455.40/91,369.62
  6. Step 6: Final answer
    x = 43,529.05

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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.