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Finding the Fourth Proportional to 375,057.90, 562,641.57 and 108,819.90

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Solution

The fourth proportional to 375,057.90, 562,641.57 and 108,819.90 is: 163,245.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,057.90 : 562,641.57 = 108,819.90 : x
  2. Step 2: Convert to fraction form
    375,057.90/562,641.57 = 108,819.90/x
  3. Step 3: Cross multiply
    375,057.90x = 562,641.57 × 108,819.90
  4. Step 4: Simplify right side
    375,057.90x = 61,226,599,383.24
  5. Step 5: Solve for x
    x = 61,226,599,383.24/375,057.90
  6. Step 6: Final answer
    x = 163,245.73

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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.