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Finding the Fourth Proportional to 176,773.10, 265,175.85 and 71,570.30

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Solution

The fourth proportional to 176,773.10, 265,175.85 and 71,570.30 is: 107,362.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,773.10 : 265,175.85 = 71,570.30 : x
  2. Step 2: Convert to fraction form
    176,773.10/265,175.85 = 71,570.30/x
  3. Step 3: Cross multiply
    176,773.10x = 265,175.85 × 71,570.30
  4. Step 4: Simplify right side
    176,773.10x = 18,978,715,137.26
  5. Step 5: Solve for x
    x = 18,978,715,137.26/176,773.10
  6. Step 6: Final answer
    x = 107,362.01

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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.