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Finding the Fourth Proportional to 85,898, 118,552.20 and 52,383.44

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Solution

The fourth proportional to 85,898, 118,552.20 and 52,383.44 is: 72,297.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,898 : 118,552.20 = 52,383.44 : x
  2. Step 2: Convert to fraction form
    85,898/118,552.20 = 52,383.44/x
  3. Step 3: Cross multiply
    85,898x = 118,552.20 × 52,383.44
  4. Step 4: Simplify right side
    85,898x = 6,210,172,055.57
  5. Step 5: Solve for x
    x = 6,210,172,055.57/85,898
  6. Step 6: Final answer
    x = 72,297.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.