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Finding the Fourth Proportional to 337,126.32, 505,763.34 and 126,764.25

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Solution

The fourth proportional to 337,126.32, 505,763.34 and 126,764.25 is: 190,174.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,126.32 : 505,763.34 = 126,764.25 : x
  2. Step 2: Convert to fraction form
    337,126.32/505,763.34 = 126,764.25/x
  3. Step 3: Cross multiply
    337,126.32x = 505,763.34 × 126,764.25
  4. Step 4: Simplify right side
    337,126.32x = 64,112,709,838.77
  5. Step 5: Solve for x
    x = 64,112,709,838.77/337,126.32
  6. Step 6: Final answer
    x = 190,174.15

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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.