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Finding the Fourth Proportional to 93,996.64, 140,950.32 and 54,565.84

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Solution

The fourth proportional to 93,996.64, 140,950.32 and 54,565.84 is: 81,822.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,996.64 : 140,950.32 = 54,565.84 : x
  2. Step 2: Convert to fraction form
    93,996.64/140,950.32 = 54,565.84/x
  3. Step 3: Cross multiply
    93,996.64x = 140,950.32 × 54,565.84
  4. Step 4: Simplify right side
    93,996.64x = 7,691,072,609.07
  5. Step 5: Solve for x
    x = 7,691,072,609.07/93,996.64
  6. Step 6: Final answer
    x = 81,822.85

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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.