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Finding the Fourth Proportional to 260,069.76, 358,697.16 and 179,631.90

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Solution

The fourth proportional to 260,069.76, 358,697.16 and 179,631.90 is: 247,754.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,069.76 : 358,697.16 = 179,631.90 : x
  2. Step 2: Convert to fraction form
    260,069.76/358,697.16 = 179,631.90/x
  3. Step 3: Cross multiply
    260,069.76x = 358,697.16 × 179,631.90
  4. Step 4: Simplify right side
    260,069.76x = 64,433,452,375.40
  5. Step 5: Solve for x
    x = 64,433,452,375.40/260,069.76
  6. Step 6: Final answer
    x = 247,754.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.