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Finding the Fourth Proportional to 375,819.96, 563,725.08 and 91,511.04

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Solution

The fourth proportional to 375,819.96, 563,725.08 and 91,511.04 is: 137,265.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,819.96 : 563,725.08 = 91,511.04 : x
  2. Step 2: Convert to fraction form
    375,819.96/563,725.08 = 91,511.04/x
  3. Step 3: Cross multiply
    375,819.96x = 563,725.08 × 91,511.04
  4. Step 4: Simplify right side
    375,819.96x = 51,587,068,344.88
  5. Step 5: Solve for x
    x = 51,587,068,344.88/375,819.96
  6. Step 6: Final answer
    x = 137,265.38

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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.