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Finding the Fourth Proportional to 250,756.60, 376,130.92 and 100,993.36

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Solution

The fourth proportional to 250,756.60, 376,130.92 and 100,993.36 is: 151,488.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,756.60 : 376,130.92 = 100,993.36 : x
  2. Step 2: Convert to fraction form
    250,756.60/376,130.92 = 100,993.36/x
  3. Step 3: Cross multiply
    250,756.60x = 376,130.92 × 100,993.36
  4. Step 4: Simplify right side
    250,756.60x = 37,986,725,410.69
  5. Step 5: Solve for x
    x = 37,986,725,410.69/250,756.60
  6. Step 6: Final answer
    x = 151,488.44

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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.