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Finding the Fourth Proportional to 93,761.76, 129,359.04 and 53,446.44

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Solution

The fourth proportional to 93,761.76, 129,359.04 and 53,446.44 is: 73,737.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,761.76 : 129,359.04 = 53,446.44 : x
  2. Step 2: Convert to fraction form
    93,761.76/129,359.04 = 53,446.44/x
  3. Step 3: Cross multiply
    93,761.76x = 129,359.04 × 53,446.44
  4. Step 4: Simplify right side
    93,761.76x = 6,913,780,169.82
  5. Step 5: Solve for x
    x = 6,913,780,169.82/93,761.76
  6. Step 6: Final answer
    x = 73,737.74

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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.