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Finding the Fourth Proportional to 241,028.60, 361,542.90 and 157,047.80

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Solution

The fourth proportional to 241,028.60, 361,542.90 and 157,047.80 is: 235,571.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    241,028.60 : 361,542.90 = 157,047.80 : x
  2. Step 2: Convert to fraction form
    241,028.60/361,542.90 = 157,047.80/x
  3. Step 3: Cross multiply
    241,028.60x = 361,542.90 × 157,047.80
  4. Step 4: Simplify right side
    241,028.60x = 56,779,517,050.62
  5. Step 5: Solve for x
    x = 56,779,517,050.62/241,028.60
  6. Step 6: Final answer
    x = 235,571.70

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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.