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Finding the Fourth Proportional to 195,496.40, 292,855.80 and 106,590.80

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Solution

The fourth proportional to 195,496.40, 292,855.80 and 106,590.80 is: 159,674.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,496.40 : 292,855.80 = 106,590.80 : x
  2. Step 2: Convert to fraction form
    195,496.40/292,855.80 = 106,590.80/x
  3. Step 3: Cross multiply
    195,496.40x = 292,855.80 × 106,590.80
  4. Step 4: Simplify right side
    195,496.40x = 31,215,734,006.64
  5. Step 5: Solve for x
    x = 31,215,734,006.64/195,496.40
  6. Step 6: Final answer
    x = 159,674.21

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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.