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Finding the Fourth Proportional to 173,643.20, 260,464.80 and 161,201.60

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Solution

The fourth proportional to 173,643.20, 260,464.80 and 161,201.60 is: 241,802.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,643.20 : 260,464.80 = 161,201.60 : x
  2. Step 2: Convert to fraction form
    173,643.20/260,464.80 = 161,201.60/x
  3. Step 3: Cross multiply
    173,643.20x = 260,464.80 × 161,201.60
  4. Step 4: Simplify right side
    173,643.20x = 41,987,342,503.68
  5. Step 5: Solve for x
    x = 41,987,342,503.68/173,643.20
  6. Step 6: Final answer
    x = 241,802.40

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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.