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Finding the Fourth Proportional to 275,740.10, 413,682.15 and 88,756.10

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Solution

The fourth proportional to 275,740.10, 413,682.15 and 88,756.10 is: 133,157.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,740.10 : 413,682.15 = 88,756.10 : x
  2. Step 2: Convert to fraction form
    275,740.10/413,682.15 = 88,756.10/x
  3. Step 3: Cross multiply
    275,740.10x = 413,682.15 × 88,756.10
  4. Step 4: Simplify right side
    275,740.10x = 36,716,814,273.62
  5. Step 5: Solve for x
    x = 36,716,814,273.62/275,740.10
  6. Step 6: Final answer
    x = 133,157.33

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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.