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Finding the Fourth Proportional to 195,636.80, 293,066.40 and 112,433.60

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Solution

The fourth proportional to 195,636.80, 293,066.40 and 112,433.60 is: 168,426.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,636.80 : 293,066.40 = 112,433.60 : x
  2. Step 2: Convert to fraction form
    195,636.80/293,066.40 = 112,433.60/x
  3. Step 3: Cross multiply
    195,636.80x = 293,066.40 × 112,433.60
  4. Step 4: Simplify right side
    195,636.80x = 32,950,510,391.04
  5. Step 5: Solve for x
    x = 32,950,510,391.04/195,636.80
  6. Step 6: Final answer
    x = 168,426.95

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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.