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Finding the Fourth Proportional to 93,213.64, 139,703.70 and 73,414

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Solution

The fourth proportional to 93,213.64, 139,703.70 and 73,414 is: 110,029.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,213.64 : 139,703.70 = 73,414 : x
  2. Step 2: Convert to fraction form
    93,213.64/139,703.70 = 73,414/x
  3. Step 3: Cross multiply
    93,213.64x = 139,703.70 × 73,414
  4. Step 4: Simplify right side
    93,213.64x = 10,256,207,431.80
  5. Step 5: Solve for x
    x = 10,256,207,431.80/93,213.64
  6. Step 6: Final answer
    x = 110,029.04

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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.