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Finding the Fourth Proportional to 93,472.52, 140,226.19 and 30,287.00

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Solution

The fourth proportional to 93,472.52, 140,226.19 and 30,287.00 is: 45,436.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,472.52 : 140,226.19 = 30,287.00 : x
  2. Step 2: Convert to fraction form
    93,472.52/140,226.19 = 30,287.00/x
  3. Step 3: Cross multiply
    93,472.52x = 140,226.19 × 30,287.00
  4. Step 4: Simplify right side
    93,472.52x = 4,247,030,891.38
  5. Step 5: Solve for x
    x = 4,247,030,891.38/93,472.52
  6. Step 6: Final answer
    x = 45,436.15

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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.