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Finding the Fourth Proportional to 125,819.02, 188,794.14 and 50,994.46

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Solution

The fourth proportional to 125,819.02, 188,794.14 and 50,994.46 is: 76,518.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,819.02 : 188,794.14 = 50,994.46 : x
  2. Step 2: Convert to fraction form
    125,819.02/188,794.14 = 50,994.46/x
  3. Step 3: Cross multiply
    125,819.02x = 188,794.14 × 50,994.46
  4. Step 4: Simplify right side
    125,819.02x = 9,627,455,552.07
  5. Step 5: Solve for x
    x = 9,627,455,552.07/125,819.02
  6. Step 6: Final answer
    x = 76,518.28

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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.