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Finding the Fourth Proportional to 65,173.87, 97,662.39 and 48,455.47

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Solution

The fourth proportional to 65,173.87, 97,662.39 and 48,455.47 is: 72,610.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,173.87 : 97,662.39 = 48,455.47 : x
  2. Step 2: Convert to fraction form
    65,173.87/97,662.39 = 48,455.47/x
  3. Step 3: Cross multiply
    65,173.87x = 97,662.39 × 48,455.47
  4. Step 4: Simplify right side
    65,173.87x = 4,732,277,008.77
  5. Step 5: Solve for x
    x = 4,732,277,008.77/65,173.87
  6. Step 6: Final answer
    x = 72,610.04

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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.