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Finding the Fourth Proportional to 93,642.64, 140,443.02 and 27,067.96

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Solution

The fourth proportional to 93,642.64, 140,443.02 and 27,067.96 is: 40,595.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,642.64 : 140,443.02 = 27,067.96 : x
  2. Step 2: Convert to fraction form
    93,642.64/140,443.02 = 27,067.96/x
  3. Step 3: Cross multiply
    93,642.64x = 140,443.02 × 27,067.96
  4. Step 4: Simplify right side
    93,642.64x = 3,801,506,047.64
  5. Step 5: Solve for x
    x = 3,801,506,047.64/93,642.64
  6. Step 6: Final answer
    x = 40,595.89

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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.