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Finding the Fourth Proportional to 241,049.60, 361,509.60 and 100,779.20

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Solution

The fourth proportional to 241,049.60, 361,509.60 and 100,779.20 is: 151,141.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    241,049.60 : 361,509.60 = 100,779.20 : x
  2. Step 2: Convert to fraction form
    241,049.60/361,509.60 = 100,779.20/x
  3. Step 3: Cross multiply
    241,049.60x = 361,509.60 × 100,779.20
  4. Step 4: Simplify right side
    241,049.60x = 36,432,648,280.32
  5. Step 5: Solve for x
    x = 36,432,648,280.32/241,049.60
  6. Step 6: Final answer
    x = 151,141.71

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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.