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Finding the Fourth Proportional to 93,495.98, 140,140.09 and 71,235.97

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Solution

The fourth proportional to 93,495.98, 140,140.09 and 71,235.97 is: 106,774.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,495.98 : 140,140.09 = 71,235.97 : x
  2. Step 2: Convert to fraction form
    93,495.98/140,140.09 = 71,235.97/x
  3. Step 3: Cross multiply
    93,495.98x = 140,140.09 × 71,235.97
  4. Step 4: Simplify right side
    93,495.98x = 9,983,015,247.04
  5. Step 5: Solve for x
    x = 9,983,015,247.04/93,495.98
  6. Step 6: Final answer
    x = 106,774.81

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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.