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Finding the Fourth Proportional to 195,597.40, 293,396.10 and 125,613.40

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Solution

The fourth proportional to 195,597.40, 293,396.10 and 125,613.40 is: 188,420.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,597.40 : 293,396.10 = 125,613.40 : x
  2. Step 2: Convert to fraction form
    195,597.40/293,396.10 = 125,613.40/x
  3. Step 3: Cross multiply
    195,597.40x = 293,396.10 × 125,613.40
  4. Step 4: Simplify right side
    195,597.40x = 36,854,481,667.74
  5. Step 5: Solve for x
    x = 36,854,481,667.74/195,597.40
  6. Step 6: Final answer
    x = 188,420.10

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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.