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Finding the Fourth Proportional to 234,672.64, 352,008.76 and 84,877.84

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Solution

The fourth proportional to 234,672.64, 352,008.76 and 84,877.84 is: 127,316.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,672.64 : 352,008.76 = 84,877.84 : x
  2. Step 2: Convert to fraction form
    234,672.64/352,008.76 = 84,877.84/x
  3. Step 3: Cross multiply
    234,672.64x = 352,008.76 × 84,877.84
  4. Step 4: Simplify right side
    234,672.64x = 29,877,743,209.88
  5. Step 5: Solve for x
    x = 29,877,743,209.88/234,672.64
  6. Step 6: Final answer
    x = 127,316.69

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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.