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Finding the Fourth Proportional to 250,383.49, 375,312.79 and 92,511.25

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Solution

The fourth proportional to 250,383.49, 375,312.79 and 92,511.25 is: 138,669.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,383.49 : 375,312.79 = 92,511.25 : x
  2. Step 2: Convert to fraction form
    250,383.49/375,312.79 = 92,511.25/x
  3. Step 3: Cross multiply
    250,383.49x = 375,312.79 × 92,511.25
  4. Step 4: Simplify right side
    250,383.49x = 34,720,654,405.61
  5. Step 5: Solve for x
    x = 34,720,654,405.61/250,383.49
  6. Step 6: Final answer
    x = 138,669.90

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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.