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Finding the Fourth Proportional to 245,786.53, 368,575.44 and 103,695.52

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Solution

The fourth proportional to 245,786.53, 368,575.44 and 103,695.52 is: 155,499.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,786.53 : 368,575.44 = 103,695.52 : x
  2. Step 2: Convert to fraction form
    245,786.53/368,575.44 = 103,695.52/x
  3. Step 3: Cross multiply
    245,786.53x = 368,575.44 × 103,695.52
  4. Step 4: Simplify right side
    245,786.53x = 38,219,621,910.03
  5. Step 5: Solve for x
    x = 38,219,621,910.03/245,786.53
  6. Step 6: Final answer
    x = 155,499.25

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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.