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Finding the Fourth Proportional to 161,303.72, 241,797.90 and 72,579.56

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Solution

The fourth proportional to 161,303.72, 241,797.90 and 72,579.56 is: 108,798.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,303.72 : 241,797.90 = 72,579.56 : x
  2. Step 2: Convert to fraction form
    161,303.72/241,797.90 = 72,579.56/x
  3. Step 3: Cross multiply
    161,303.72x = 241,797.90 × 72,579.56
  4. Step 4: Simplify right side
    161,303.72x = 17,549,585,190.92
  5. Step 5: Solve for x
    x = 17,549,585,190.92/161,303.72
  6. Step 6: Final answer
    x = 108,798.39

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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.