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Finding the Fourth Proportional to 125,873.33, 188,810.46 and 50,994.90

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Solution

The fourth proportional to 125,873.33, 188,810.46 and 50,994.90 is: 76,492.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,873.33 : 188,810.46 = 50,994.90 : x
  2. Step 2: Convert to fraction form
    125,873.33/188,810.46 = 50,994.90/x
  3. Step 3: Cross multiply
    125,873.33x = 188,810.46 × 50,994.90
  4. Step 4: Simplify right side
    125,873.33x = 9,628,370,526.65
  5. Step 5: Solve for x
    x = 9,628,370,526.65/125,873.33
  6. Step 6: Final answer
    x = 76,492.54

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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.