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Finding the Fourth Proportional to 195,596.40, 293,308.20 and 77,228.40

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Solution

The fourth proportional to 195,596.40, 293,308.20 and 77,228.40 is: 115,808.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,596.40 : 293,308.20 = 77,228.40 : x
  2. Step 2: Convert to fraction form
    195,596.40/293,308.20 = 77,228.40/x
  3. Step 3: Cross multiply
    195,596.40x = 293,308.20 × 77,228.40
  4. Step 4: Simplify right side
    195,596.40x = 22,651,722,992.88
  5. Step 5: Solve for x
    x = 22,651,722,992.88/195,596.40
  6. Step 6: Final answer
    x = 115,808.49

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1.5x scale

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.