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Finding the Fourth Proportional to 254,605.62, 351,153 and 163,969.05

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Solution

The fourth proportional to 254,605.62, 351,153 and 163,969.05 is: 226,146.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,605.62 : 351,153 = 163,969.05 : x
  2. Step 2: Convert to fraction form
    254,605.62/351,153 = 163,969.05/x
  3. Step 3: Cross multiply
    254,605.62x = 351,153 × 163,969.05
  4. Step 4: Simplify right side
    254,605.62x = 57,578,223,814.65
  5. Step 5: Solve for x
    x = 57,578,223,814.65/254,605.62
  6. Step 6: Final answer
    x = 226,146.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.