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Finding the Fourth Proportional to 93,170.96, 128,581.07 and 54,952.91

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Solution

The fourth proportional to 93,170.96, 128,581.07 and 54,952.91 is: 75,838.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,170.96 : 128,581.07 = 54,952.91 : x
  2. Step 2: Convert to fraction form
    93,170.96/128,581.07 = 54,952.91/x
  3. Step 3: Cross multiply
    93,170.96x = 128,581.07 × 54,952.91
  4. Step 4: Simplify right side
    93,170.96x = 7,065,904,564.30
  5. Step 5: Solve for x
    x = 7,065,904,564.30/93,170.96
  6. Step 6: Final answer
    x = 75,838.06

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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.