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Finding the Fourth Proportional to 131,674.55, 197,052.55 and 107,705.03

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Solution

The fourth proportional to 131,674.55, 197,052.55 and 107,705.03 is: 161,181.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,674.55 : 197,052.55 = 107,705.03 : x
  2. Step 2: Convert to fraction form
    131,674.55/197,052.55 = 107,705.03/x
  3. Step 3: Cross multiply
    131,674.55x = 197,052.55 × 107,705.03
  4. Step 4: Simplify right side
    131,674.55x = 21,223,549,554.80
  5. Step 5: Solve for x
    x = 21,223,549,554.80/131,674.55
  6. Step 6: Final answer
    x = 161,181.87

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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.