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Finding the Fourth Proportional to 129,995.50, 194,968.59 and 63,368.62

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Solution

The fourth proportional to 129,995.50, 194,968.59 and 63,368.62 is: 95,040.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,995.50 : 194,968.59 = 63,368.62 : x
  2. Step 2: Convert to fraction form
    129,995.50/194,968.59 = 63,368.62/x
  3. Step 3: Cross multiply
    129,995.50x = 194,968.59 × 63,368.62
  4. Step 4: Simplify right side
    129,995.50x = 12,354,890,491.65
  5. Step 5: Solve for x
    x = 12,354,890,491.65/129,995.50
  6. Step 6: Final answer
    x = 95,040.91

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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.