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Finding the Fourth Proportional to 125,622.52, 188,461.38 and 41,408.60

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Solution

The fourth proportional to 125,622.52, 188,461.38 and 41,408.60 is: 62,122.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,622.52 : 188,461.38 = 41,408.60 : x
  2. Step 2: Convert to fraction form
    125,622.52/188,461.38 = 41,408.60/x
  3. Step 3: Cross multiply
    125,622.52x = 188,461.38 × 41,408.60
  4. Step 4: Simplify right side
    125,622.52x = 7,803,921,899.87
  5. Step 5: Solve for x
    x = 7,803,921,899.87/125,622.52
  6. Step 6: Final answer
    x = 62,122.00

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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.