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Finding the Fourth Proportional to 93,163.92, 128,559.36 and 52,873.92

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Solution

The fourth proportional to 93,163.92, 128,559.36 and 52,873.92 is: 72,962.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,163.92 : 128,559.36 = 52,873.92 : x
  2. Step 2: Convert to fraction form
    93,163.92/128,559.36 = 52,873.92/x
  3. Step 3: Cross multiply
    93,163.92x = 128,559.36 × 52,873.92
  4. Step 4: Simplify right side
    93,163.92x = 6,797,437,315.89
  5. Step 5: Solve for x
    x = 6,797,437,315.89/93,163.92
  6. Step 6: Final answer
    x = 72,962.12

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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.