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Finding the Fourth Proportional to 129,995.59, 194,968.73 and 63,368.71

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Solution

The fourth proportional to 129,995.59, 194,968.73 and 63,368.71 is: 95,041.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,995.59 : 194,968.73 = 63,368.71 : x
  2. Step 2: Convert to fraction form
    129,995.59/194,968.73 = 63,368.71/x
  3. Step 3: Cross multiply
    129,995.59x = 194,968.73 × 63,368.71
  4. Step 4: Simplify right side
    129,995.59x = 12,354,916,910.44
  5. Step 5: Solve for x
    x = 12,354,916,910.44/129,995.59
  6. Step 6: Final answer
    x = 95,041.05

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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.