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Finding the Fourth Proportional to 173,817.20, 260,725.80 and 134,451.20

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Solution

The fourth proportional to 173,817.20, 260,725.80 and 134,451.20 is: 201,676.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,817.20 : 260,725.80 = 134,451.20 : x
  2. Step 2: Convert to fraction form
    173,817.20/260,725.80 = 134,451.20/x
  3. Step 3: Cross multiply
    173,817.20x = 260,725.80 × 134,451.20
  4. Step 4: Simplify right side
    173,817.20x = 35,054,896,680.96
  5. Step 5: Solve for x
    x = 35,054,896,680.96/173,817.20
  6. Step 6: Final answer
    x = 201,676.80

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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.