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Finding the Fourth Proportional to 173,211.60, 260,011.80 and 133,942.80

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Solution

The fourth proportional to 173,211.60, 260,011.80 and 133,942.80 is: 201,064.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,211.60 : 260,011.80 = 133,942.80 : x
  2. Step 2: Convert to fraction form
    173,211.60/260,011.80 = 133,942.80/x
  3. Step 3: Cross multiply
    173,211.60x = 260,011.80 × 133,942.80
  4. Step 4: Simplify right side
    173,211.60x = 34,826,708,525.04
  5. Step 5: Solve for x
    x = 34,826,708,525.04/173,211.60
  6. Step 6: Final answer
    x = 201,064.53

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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.