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Finding the Fourth Proportional to 173,786.40, 260,679.60 and 164,109.60

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Solution

The fourth proportional to 173,786.40, 260,679.60 and 164,109.60 is: 246,164.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,786.40 : 260,679.60 = 164,109.60 : x
  2. Step 2: Convert to fraction form
    173,786.40/260,679.60 = 164,109.60/x
  3. Step 3: Cross multiply
    173,786.40x = 260,679.60 × 164,109.60
  4. Step 4: Simplify right side
    173,786.40x = 42,780,024,884.16
  5. Step 5: Solve for x
    x = 42,780,024,884.16/173,786.40
  6. Step 6: Final answer
    x = 246,164.40

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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.