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Finding the Fourth Proportional to 93,484.40, 140,227.40 and 31,154.90

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Solution

The fourth proportional to 93,484.40, 140,227.40 and 31,154.90 is: 46,732.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,484.40 : 140,227.40 = 31,154.90 : x
  2. Step 2: Convert to fraction form
    93,484.40/140,227.40 = 31,154.90/x
  3. Step 3: Cross multiply
    93,484.40x = 140,227.40 × 31,154.90
  4. Step 4: Simplify right side
    93,484.40x = 4,368,770,001.01
  5. Step 5: Solve for x
    x = 4,368,770,001.01/93,484.40
  6. Step 6: Final answer
    x = 46,732.61

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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.