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Finding the Fourth Proportional to 68,551.38, 102,785.54 and 44,830.28

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Solution

The fourth proportional to 68,551.38, 102,785.54 and 44,830.28 is: 67,218.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,551.38 : 102,785.54 = 44,830.28 : x
  2. Step 2: Convert to fraction form
    68,551.38/102,785.54 = 44,830.28/x
  3. Step 3: Cross multiply
    68,551.38x = 102,785.54 × 44,830.28
  4. Step 4: Simplify right side
    68,551.38x = 4,607,904,570.96
  5. Step 5: Solve for x
    x = 4,607,904,570.96/68,551.38
  6. Step 6: Final answer
    x = 67,218.26

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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.