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Finding the Fourth Proportional to 275,592, 413,446.44 and 88,618.08

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Solution

The fourth proportional to 275,592, 413,446.44 and 88,618.08 is: 132,945.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,592 : 413,446.44 = 88,618.08 : x
  2. Step 2: Convert to fraction form
    275,592/413,446.44 = 88,618.08/x
  3. Step 3: Cross multiply
    275,592x = 413,446.44 × 88,618.08
  4. Step 4: Simplify right side
    275,592x = 36,638,829,695.64
  5. Step 5: Solve for x
    x = 36,638,829,695.64/275,592
  6. Step 6: Final answer
    x = 132,945.91

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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.