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Finding the Fourth Proportional to 93,866.32, 129,535.64 and 50,845.90

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Solution

The fourth proportional to 93,866.32, 129,535.64 and 50,845.90 is: 70,167.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,866.32 : 129,535.64 = 50,845.90 : x
  2. Step 2: Convert to fraction form
    93,866.32/129,535.64 = 50,845.90/x
  3. Step 3: Cross multiply
    93,866.32x = 129,535.64 × 50,845.90
  4. Step 4: Simplify right side
    93,866.32x = 6,586,356,197.88
  5. Step 5: Solve for x
    x = 6,586,356,197.88/93,866.32
  6. Step 6: Final answer
    x = 70,167.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.