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Finding the Fourth Proportional to 241,338.52, 361,989.55 and 99,145.05

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Solution

The fourth proportional to 241,338.52, 361,989.55 and 99,145.05 is: 148,710.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    241,338.52 : 361,989.55 = 99,145.05 : x
  2. Step 2: Convert to fraction form
    241,338.52/361,989.55 = 99,145.05/x
  3. Step 3: Cross multiply
    241,338.52x = 361,989.55 × 99,145.05
  4. Step 4: Simplify right side
    241,338.52x = 35,889,472,034.23
  5. Step 5: Solve for x
    x = 35,889,472,034.23/241,338.52
  6. Step 6: Final answer
    x = 148,710.09

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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.