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Finding the Fourth Proportional to 173,891.60, 260,448.60 and 134,320.40

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Solution

The fourth proportional to 173,891.60, 260,448.60 and 134,320.40 is: 201,180.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,891.60 : 260,448.60 = 134,320.40 : x
  2. Step 2: Convert to fraction form
    173,891.60/260,448.60 = 134,320.40/x
  3. Step 3: Cross multiply
    173,891.60x = 260,448.60 × 134,320.40
  4. Step 4: Simplify right side
    173,891.60x = 34,983,560,131.44
  5. Step 5: Solve for x
    x = 34,983,560,131.44/173,891.60
  6. Step 6: Final answer
    x = 201,180.28

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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.