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Finding the Fourth Proportional to 195,526.80, 293,419.80 and 111,286.80

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Solution

The fourth proportional to 195,526.80, 293,419.80 and 111,286.80 is: 167,003.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,526.80 : 293,419.80 = 111,286.80 : x
  2. Step 2: Convert to fraction form
    195,526.80/293,419.80 = 111,286.80/x
  3. Step 3: Cross multiply
    195,526.80x = 293,419.80 × 111,286.80
  4. Step 4: Simplify right side
    195,526.80x = 32,653,750,598.64
  5. Step 5: Solve for x
    x = 32,653,750,598.64/195,526.80
  6. Step 6: Final answer
    x = 167,003.96

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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.