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Finding the Fourth Proportional to 254,884.40, 382,326.60 and 88,672.40

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Solution

The fourth proportional to 254,884.40, 382,326.60 and 88,672.40 is: 133,008.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,884.40 : 382,326.60 = 88,672.40 : x
  2. Step 2: Convert to fraction form
    254,884.40/382,326.60 = 88,672.40/x
  3. Step 3: Cross multiply
    254,884.40x = 382,326.60 × 88,672.40
  4. Step 4: Simplify right side
    254,884.40x = 33,901,817,205.84
  5. Step 5: Solve for x
    x = 33,901,817,205.84/254,884.40
  6. Step 6: Final answer
    x = 133,008.60

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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.