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Finding the Fourth Proportional to 93,695.70, 140,446.35 and 51,510.90

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Solution

The fourth proportional to 93,695.70, 140,446.35 and 51,510.90 is: 77,212.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,695.70 : 140,446.35 = 51,510.90 : x
  2. Step 2: Convert to fraction form
    93,695.70/140,446.35 = 51,510.90/x
  3. Step 3: Cross multiply
    93,695.70x = 140,446.35 × 51,510.90
  4. Step 4: Simplify right side
    93,695.70x = 7,234,517,890.22
  5. Step 5: Solve for x
    x = 7,234,517,890.22/93,695.70
  6. Step 6: Final answer
    x = 77,212.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.