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Finding the Fourth Proportional to 351,174.56, 526,763.19 and 84,934.64

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Solution

The fourth proportional to 351,174.56, 526,763.19 and 84,934.64 is: 127,402.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,174.56 : 526,763.19 = 84,934.64 : x
  2. Step 2: Convert to fraction form
    351,174.56/526,763.19 = 84,934.64/x
  3. Step 3: Cross multiply
    351,174.56x = 526,763.19 × 84,934.64
  4. Step 4: Simplify right side
    351,174.56x = 44,740,443,543.31
  5. Step 5: Solve for x
    x = 44,740,443,543.31/351,174.56
  6. Step 6: Final answer
    x = 127,402.29

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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.