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Finding the Fourth Proportional to 93,175.92, 128,584.88 and 52,885.91

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Solution

The fourth proportional to 93,175.92, 128,584.88 and 52,885.91 is: 72,983.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,175.92 : 128,584.88 = 52,885.91 : x
  2. Step 2: Convert to fraction form
    93,175.92/128,584.88 = 52,885.91/x
  3. Step 3: Cross multiply
    93,175.92x = 128,584.88 × 52,885.91
  4. Step 4: Simplify right side
    93,175.92x = 6,800,327,965.88
  5. Step 5: Solve for x
    x = 6,800,327,965.88/93,175.92
  6. Step 6: Final answer
    x = 72,983.75

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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.