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Finding the Fourth Proportional to 75,653.40, 113,480.10 and 52,033.80

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Solution

The fourth proportional to 75,653.40, 113,480.10 and 52,033.80 is: 78,050.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,653.40 : 113,480.10 = 52,033.80 : x
  2. Step 2: Convert to fraction form
    75,653.40/113,480.10 = 52,033.80/x
  3. Step 3: Cross multiply
    75,653.40x = 113,480.10 × 52,033.80
  4. Step 4: Simplify right side
    75,653.40x = 5,904,800,827.38
  5. Step 5: Solve for x
    x = 5,904,800,827.38/75,653.40
  6. Step 6: Final answer
    x = 78,050.70

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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.