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Finding the Fourth Proportional to 64,874.16, 97,121.58 and 58,648.44

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Solution

The fourth proportional to 64,874.16, 97,121.58 and 58,648.44 is: 87,801.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,874.16 : 97,121.58 = 58,648.44 : x
  2. Step 2: Convert to fraction form
    64,874.16/97,121.58 = 58,648.44/x
  3. Step 3: Cross multiply
    64,874.16x = 97,121.58 × 58,648.44
  4. Step 4: Simplify right side
    64,874.16x = 5,696,029,157.34
  5. Step 5: Solve for x
    x = 5,696,029,157.34/64,874.16
  6. Step 6: Final answer
    x = 87,801.20

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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.