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Finding the Fourth Proportional to 93,141.97, 139,670.12 and 29,950.43

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Solution

The fourth proportional to 93,141.97, 139,670.12 and 29,950.43 is: 44,911.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,141.97 : 139,670.12 = 29,950.43 : x
  2. Step 2: Convert to fraction form
    93,141.97/139,670.12 = 29,950.43/x
  3. Step 3: Cross multiply
    93,141.97x = 139,670.12 × 29,950.43
  4. Step 4: Simplify right side
    93,141.97x = 4,183,179,528.68
  5. Step 5: Solve for x
    x = 4,183,179,528.68/93,141.97
  6. Step 6: Final answer
    x = 44,911.87

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1.5x scale

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.