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Finding the Fourth Proportional to 448,476.12, 672,716.61 and 116,052.12

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Solution

The fourth proportional to 448,476.12, 672,716.61 and 116,052.12 is: 174,078.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,476.12 : 672,716.61 = 116,052.12 : x
  2. Step 2: Convert to fraction form
    448,476.12/672,716.61 = 116,052.12/x
  3. Step 3: Cross multiply
    448,476.12x = 672,716.61 × 116,052.12
  4. Step 4: Simplify right side
    448,476.12x = 78,070,188,749.71
  5. Step 5: Solve for x
    x = 78,070,188,749.71/448,476.12
  6. Step 6: Final answer
    x = 174,078.81

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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.