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Finding the Fourth Proportional to 129,603.94, 194,253.17 and 58,443.26

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Solution

The fourth proportional to 129,603.94, 194,253.17 and 58,443.26 is: 87,596.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,603.94 : 194,253.17 = 58,443.26 : x
  2. Step 2: Convert to fraction form
    129,603.94/194,253.17 = 58,443.26/x
  3. Step 3: Cross multiply
    129,603.94x = 194,253.17 × 58,443.26
  4. Step 4: Simplify right side
    129,603.94x = 11,352,787,256.65
  5. Step 5: Solve for x
    x = 11,352,787,256.65/129,603.94
  6. Step 6: Final answer
    x = 87,596.01

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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.