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Finding the Fourth Proportional to 241,231.70, 361,763.90 and 99,036.60

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Solution

The fourth proportional to 241,231.70, 361,763.90 and 99,036.60 is: 148,520.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    241,231.70 : 361,763.90 = 99,036.60 : x
  2. Step 2: Convert to fraction form
    241,231.70/361,763.90 = 99,036.60/x
  3. Step 3: Cross multiply
    241,231.70x = 361,763.90 × 99,036.60
  4. Step 4: Simplify right side
    241,231.70x = 35,827,866,658.74
  5. Step 5: Solve for x
    x = 35,827,866,658.74/241,231.70
  6. Step 6: Final answer
    x = 148,520.56

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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.