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Finding the Fourth Proportional to 129,230.16, 193,807.80 and 50,326.80

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Solution

The fourth proportional to 129,230.16, 193,807.80 and 50,326.80 is: 75,475.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,230.16 : 193,807.80 = 50,326.80 : x
  2. Step 2: Convert to fraction form
    129,230.16/193,807.80 = 50,326.80/x
  3. Step 3: Cross multiply
    129,230.16x = 193,807.80 × 50,326.80
  4. Step 4: Simplify right side
    129,230.16x = 9,753,726,389.04
  5. Step 5: Solve for x
    x = 9,753,726,389.04/129,230.16
  6. Step 6: Final answer
    x = 75,475.62

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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.