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Finding the Fourth Proportional to 275,388.60, 413,124.59 and 97,853.40

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Solution

The fourth proportional to 275,388.60, 413,124.59 and 97,853.40 is: 146,794.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,388.60 : 413,124.59 = 97,853.40 : x
  2. Step 2: Convert to fraction form
    275,388.60/413,124.59 = 97,853.40/x
  3. Step 3: Cross multiply
    275,388.60x = 413,124.59 × 97,853.40
  4. Step 4: Simplify right side
    275,388.60x = 40,425,645,755.11
  5. Step 5: Solve for x
    x = 40,425,645,755.11/275,388.60
  6. Step 6: Final answer
    x = 146,794.91

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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.