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Finding the Fourth Proportional to 93,999.64, 140,722.44 and 82,335.64

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Solution

The fourth proportional to 93,999.64, 140,722.44 and 82,335.64 is: 123,260.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,999.64 : 140,722.44 = 82,335.64 : x
  2. Step 2: Convert to fraction form
    93,999.64/140,722.44 = 82,335.64/x
  3. Step 3: Cross multiply
    93,999.64x = 140,722.44 × 82,335.64
  4. Step 4: Simplify right side
    93,999.64x = 11,586,472,159.76
  5. Step 5: Solve for x
    x = 11,586,472,159.76/93,999.64
  6. Step 6: Final answer
    x = 123,260.81

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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.