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Finding the Fourth Proportional to 175,074.60, 262,611.90 and 157,359.90

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Solution

The fourth proportional to 175,074.60, 262,611.90 and 157,359.90 is: 236,039.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,074.60 : 262,611.90 = 157,359.90 : x
  2. Step 2: Convert to fraction form
    175,074.60/262,611.90 = 157,359.90/x
  3. Step 3: Cross multiply
    175,074.60x = 262,611.90 × 157,359.90
  4. Step 4: Simplify right side
    175,074.60x = 41,324,582,322.81
  5. Step 5: Solve for x
    x = 41,324,582,322.81/175,074.60
  6. Step 6: Final answer
    x = 236,039.85

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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.