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Finding the Fourth Proportional to 125,610.60, 188,415.90 and 124,735.80

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Solution

The fourth proportional to 125,610.60, 188,415.90 and 124,735.80 is: 187,103.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,610.60 : 188,415.90 = 124,735.80 : x
  2. Step 2: Convert to fraction form
    125,610.60/188,415.90 = 124,735.80/x
  3. Step 3: Cross multiply
    125,610.60x = 188,415.90 × 124,735.80
  4. Step 4: Simplify right side
    125,610.60x = 23,502,208,019.22
  5. Step 5: Solve for x
    x = 23,502,208,019.22/125,610.60
  6. Step 6: Final answer
    x = 187,103.70

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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.