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Finding the Fourth Proportional to 173,816.40, 260,530.20 and 73,959.60

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Solution

The fourth proportional to 173,816.40, 260,530.20 and 73,959.60 is: 110,856.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,816.40 : 260,530.20 = 73,959.60 : x
  2. Step 2: Convert to fraction form
    173,816.40/260,530.20 = 73,959.60/x
  3. Step 3: Cross multiply
    173,816.40x = 260,530.20 × 73,959.60
  4. Step 4: Simplify right side
    173,816.40x = 19,268,709,379.92
  5. Step 5: Solve for x
    x = 19,268,709,379.92/173,816.40
  6. Step 6: Final answer
    x = 110,856.68

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1.5x scale

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.