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Finding the Fourth Proportional to 84,962.66, 117,235.60 and 48,658.46

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Solution

The fourth proportional to 84,962.66, 117,235.60 and 48,658.46 is: 67,141.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,962.66 : 117,235.60 = 48,658.46 : x
  2. Step 2: Convert to fraction form
    84,962.66/117,235.60 = 48,658.46/x
  3. Step 3: Cross multiply
    84,962.66x = 117,235.60 × 48,658.46
  4. Step 4: Simplify right side
    84,962.66x = 5,704,503,753.18
  5. Step 5: Solve for x
    x = 5,704,503,753.18/84,962.66
  6. Step 6: Final answer
    x = 67,141.30

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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.