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Finding the Fourth Proportional to 251,863.60, 377,783.12 and 94,079.76

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Solution

The fourth proportional to 251,863.60, 377,783.12 and 94,079.76 is: 141,115.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,863.60 : 377,783.12 = 94,079.76 : x
  2. Step 2: Convert to fraction form
    251,863.60/377,783.12 = 94,079.76/x
  3. Step 3: Cross multiply
    251,863.60x = 377,783.12 × 94,079.76
  4. Step 4: Simplify right side
    251,863.60x = 35,541,745,261.65
  5. Step 5: Solve for x
    x = 35,541,745,261.65/251,863.60
  6. Step 6: Final answer
    x = 141,115.05

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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.