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Finding the Fourth Proportional to 201,960.65, 302,940.98 and 75,600.65

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Solution

The fourth proportional to 201,960.65, 302,940.98 and 75,600.65 is: 113,400.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,960.65 : 302,940.98 = 75,600.65 : x
  2. Step 2: Convert to fraction form
    201,960.65/302,940.98 = 75,600.65/x
  3. Step 3: Cross multiply
    201,960.65x = 302,940.98 × 75,600.65
  4. Step 4: Simplify right side
    201,960.65x = 22,902,534,621.63
  5. Step 5: Solve for x
    x = 22,902,534,621.63/201,960.65
  6. Step 6: Final answer
    x = 113,400.98

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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.