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Finding the Fourth Proportional to 173,408.60, 260,112.90 and 164,223.20

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Solution

The fourth proportional to 173,408.60, 260,112.90 and 164,223.20 is: 246,334.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,408.60 : 260,112.90 = 164,223.20 : x
  2. Step 2: Convert to fraction form
    173,408.60/260,112.90 = 164,223.20/x
  3. Step 3: Cross multiply
    173,408.60x = 260,112.90 × 164,223.20
  4. Step 4: Simplify right side
    173,408.60x = 42,716,572,799.28
  5. Step 5: Solve for x
    x = 42,716,572,799.28/173,408.60
  6. Step 6: Final answer
    x = 246,334.80

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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.