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Finding the Fourth Proportional to 173,108.40, 259,662.60 and 164,943.60

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Solution

The fourth proportional to 173,108.40, 259,662.60 and 164,943.60 is: 247,415.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,108.40 : 259,662.60 = 164,943.60 : x
  2. Step 2: Convert to fraction form
    173,108.40/259,662.60 = 164,943.60/x
  3. Step 3: Cross multiply
    173,108.40x = 259,662.60 × 164,943.60
  4. Step 4: Simplify right side
    173,108.40x = 42,829,684,029.36
  5. Step 5: Solve for x
    x = 42,829,684,029.36/173,108.40
  6. Step 6: Final answer
    x = 247,415.40

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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.