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Finding the Fourth Proportional to 93,142.97, 139,671.62 and 29,951.43

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Solution

The fourth proportional to 93,142.97, 139,671.62 and 29,951.43 is: 44,913.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,142.97 : 139,671.62 = 29,951.43 : x
  2. Step 2: Convert to fraction form
    93,142.97/139,671.62 = 29,951.43/x
  3. Step 3: Cross multiply
    93,142.97x = 139,671.62 × 29,951.43
  4. Step 4: Simplify right side
    93,142.97x = 4,183,364,749.42
  5. Step 5: Solve for x
    x = 4,183,364,749.42/93,142.97
  6. Step 6: Final answer
    x = 44,913.37

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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.