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Finding the Fourth Proportional to 173,156.10, 259,928.55 and 133,887.30

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Solution

The fourth proportional to 173,156.10, 259,928.55 and 133,887.30 is: 200,981.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,156.10 : 259,928.55 = 133,887.30 : x
  2. Step 2: Convert to fraction form
    173,156.10/259,928.55 = 133,887.30/x
  3. Step 3: Cross multiply
    173,156.10x = 259,928.55 × 133,887.30
  4. Step 4: Simplify right side
    173,156.10x = 34,801,131,752.42
  5. Step 5: Solve for x
    x = 34,801,131,752.42/173,156.10
  6. Step 6: Final answer
    x = 200,981.26

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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.