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Finding the Fourth Proportional to 125,295.74, 188,037.02 and 50,416.52

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Solution

The fourth proportional to 125,295.74, 188,037.02 and 50,416.52 is: 75,662.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,295.74 : 188,037.02 = 50,416.52 : x
  2. Step 2: Convert to fraction form
    125,295.74/188,037.02 = 50,416.52/x
  3. Step 3: Cross multiply
    125,295.74x = 188,037.02 × 50,416.52
  4. Step 4: Simplify right side
    125,295.74x = 9,480,172,775.70
  5. Step 5: Solve for x
    x = 9,480,172,775.70/125,295.74
  6. Step 6: Final answer
    x = 75,662.37

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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.