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Finding the Fourth Proportional to 93,926.45, 140,950.74 and 40,670.43

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Solution

The fourth proportional to 93,926.45, 140,950.74 and 40,670.43 is: 61,032.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,926.45 : 140,950.74 = 40,670.43 : x
  2. Step 2: Convert to fraction form
    93,926.45/140,950.74 = 40,670.43/x
  3. Step 3: Cross multiply
    93,926.45x = 140,950.74 × 40,670.43
  4. Step 4: Simplify right side
    93,926.45x = 5,732,527,204.62
  5. Step 5: Solve for x
    x = 5,732,527,204.62/93,926.45
  6. Step 6: Final answer
    x = 61,032.09

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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.