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Finding the Fourth Proportional to 93,951.63, 129,661.43 and 51,518.43

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Solution

The fourth proportional to 93,951.63, 129,661.43 and 51,518.43 is: 71,099.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,951.63 : 129,661.43 = 51,518.43 : x
  2. Step 2: Convert to fraction form
    93,951.63/129,661.43 = 51,518.43/x
  3. Step 3: Cross multiply
    93,951.63x = 129,661.43 × 51,518.43
  4. Step 4: Simplify right side
    93,951.63x = 6,679,953,047.56
  5. Step 5: Solve for x
    x = 6,679,953,047.56/93,951.63
  6. Step 6: Final answer
    x = 71,099.92

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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.