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Finding the Fourth Proportional to 93,764.56, 129,396 and 51,324

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Solution

The fourth proportional to 93,764.56, 129,396 and 51,324 is: 70,827.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,764.56 : 129,396 = 51,324 : x
  2. Step 2: Convert to fraction form
    93,764.56/129,396 = 51,324/x
  3. Step 3: Cross multiply
    93,764.56x = 129,396 × 51,324
  4. Step 4: Simplify right side
    93,764.56x = 6,641,120,304
  5. Step 5: Solve for x
    x = 6,641,120,304/93,764.56
  6. Step 6: Final answer
    x = 70,827.62

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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.