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Finding the Fourth Proportional to 93,603.60, 129,174.84 and 51,163.92

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Solution

The fourth proportional to 93,603.60, 129,174.84 and 51,163.92 is: 70,607.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,603.60 : 129,174.84 = 51,163.92 : x
  2. Step 2: Convert to fraction form
    93,603.60/129,174.84 = 51,163.92/x
  3. Step 3: Cross multiply
    93,603.60x = 129,174.84 × 51,163.92
  4. Step 4: Simplify right side
    93,603.60x = 6,609,091,179.77
  5. Step 5: Solve for x
    x = 6,609,091,179.77/93,603.60
  6. Step 6: Final answer
    x = 70,607.23

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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.