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Finding the Fourth Proportional to 216,049.53, 298,103.84 and 124,151.05

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Solution

The fourth proportional to 216,049.53, 298,103.84 and 124,151.05 is: 171,302.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,049.53 : 298,103.84 = 124,151.05 : x
  2. Step 2: Convert to fraction form
    216,049.53/298,103.84 = 124,151.05/x
  3. Step 3: Cross multiply
    216,049.53x = 298,103.84 × 124,151.05
  4. Step 4: Simplify right side
    216,049.53x = 37,009,904,745.03
  5. Step 5: Solve for x
    x = 37,009,904,745.03/216,049.53
  6. Step 6: Final answer
    x = 171,302.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.