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Finding the Fourth Proportional to 217,066.07, 325,425.22 and 103,156.71

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Solution

The fourth proportional to 217,066.07, 325,425.22 and 103,156.71 is: 154,652.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,066.07 : 325,425.22 = 103,156.71 : x
  2. Step 2: Convert to fraction form
    217,066.07/325,425.22 = 103,156.71/x
  3. Step 3: Cross multiply
    217,066.07x = 325,425.22 × 103,156.71
  4. Step 4: Simplify right side
    217,066.07x = 33,569,795,046.23
  5. Step 5: Solve for x
    x = 33,569,795,046.23/217,066.07
  6. Step 6: Final answer
    x = 154,652.43

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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.