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Finding the Fourth Proportional to 170,933.40, 256,400.10 and 168,600.60

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Solution

The fourth proportional to 170,933.40, 256,400.10 and 168,600.60 is: 252,900.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,933.40 : 256,400.10 = 168,600.60 : x
  2. Step 2: Convert to fraction form
    170,933.40/256,400.10 = 168,600.60/x
  3. Step 3: Cross multiply
    170,933.40x = 256,400.10 × 168,600.60
  4. Step 4: Simplify right side
    170,933.40x = 43,229,210,700.06
  5. Step 5: Solve for x
    x = 43,229,210,700.06/170,933.40
  6. Step 6: Final answer
    x = 252,900.90

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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.