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Finding the Fourth Proportional to 243,537.76, 364,716.12 and 168,447.16

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Solution

The fourth proportional to 243,537.76, 364,716.12 and 168,447.16 is: 252,262.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,537.76 : 364,716.12 = 168,447.16 : x
  2. Step 2: Convert to fraction form
    243,537.76/364,716.12 = 168,447.16/x
  3. Step 3: Cross multiply
    243,537.76x = 364,716.12 × 168,447.16
  4. Step 4: Simplify right side
    243,537.76x = 61,435,394,620.22
  5. Step 5: Solve for x
    x = 61,435,394,620.22/243,537.76
  6. Step 6: Final answer
    x = 252,262.30

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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.