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Finding the Fourth Proportional to 131,019.46, 196,480.84 and 46,757.08

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Solution

The fourth proportional to 131,019.46, 196,480.84 and 46,757.08 is: 70,118.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,019.46 : 196,480.84 = 46,757.08 : x
  2. Step 2: Convert to fraction form
    131,019.46/196,480.84 = 46,757.08/x
  3. Step 3: Cross multiply
    131,019.46x = 196,480.84 × 46,757.08
  4. Step 4: Simplify right side
    131,019.46x = 9,186,870,354.35
  5. Step 5: Solve for x
    x = 9,186,870,354.35/131,019.46
  6. Step 6: Final answer
    x = 70,118.37

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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.