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Finding the Fourth Proportional to 325,101.51, 487,791.79 and 125,562.02

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Solution

The fourth proportional to 325,101.51, 487,791.79 and 125,562.02 is: 188,396.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,101.51 : 487,791.79 = 125,562.02 : x
  2. Step 2: Convert to fraction form
    325,101.51/487,791.79 = 125,562.02/x
  3. Step 3: Cross multiply
    325,101.51x = 487,791.79 × 125,562.02
  4. Step 4: Simplify right side
    325,101.51x = 61,248,119,738.95
  5. Step 5: Solve for x
    x = 61,248,119,738.95/325,101.51
  6. Step 6: Final answer
    x = 188,396.91

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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.