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Finding the Fourth Proportional to 64,135.37, 88,531.10 and 48,265.85

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Solution

The fourth proportional to 64,135.37, 88,531.10 and 48,265.85 is: 66,625.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,135.37 : 88,531.10 = 48,265.85 : x
  2. Step 2: Convert to fraction form
    64,135.37/88,531.10 = 48,265.85/x
  3. Step 3: Cross multiply
    64,135.37x = 88,531.10 × 48,265.85
  4. Step 4: Simplify right side
    64,135.37x = 4,273,028,792.94
  5. Step 5: Solve for x
    x = 4,273,028,792.94/64,135.37
  6. Step 6: Final answer
    x = 66,625.15

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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.