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Finding the Fourth Proportional to 305,046.99, 457,695.81 and 134,180.73

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Solution

The fourth proportional to 305,046.99, 457,695.81 and 134,180.73 is: 201,326.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,046.99 : 457,695.81 = 134,180.73 : x
  2. Step 2: Convert to fraction form
    305,046.99/457,695.81 = 134,180.73/x
  3. Step 3: Cross multiply
    305,046.99x = 457,695.81 × 134,180.73
  4. Step 4: Simplify right side
    305,046.99x = 61,413,957,903.74
  5. Step 5: Solve for x
    x = 61,413,957,903.74/305,046.99
  6. Step 6: Final answer
    x = 201,326.22

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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.