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Finding the Fourth Proportional to 93,167.64, 138,955.41 and 79,219.44

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Solution

The fourth proportional to 93,167.64, 138,955.41 and 79,219.44 is: 118,152.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,167.64 : 138,955.41 = 79,219.44 : x
  2. Step 2: Convert to fraction form
    93,167.64/138,955.41 = 79,219.44/x
  3. Step 3: Cross multiply
    93,167.64x = 138,955.41 × 79,219.44
  4. Step 4: Simplify right side
    93,167.64x = 11,007,969,765.17
  5. Step 5: Solve for x
    x = 11,007,969,765.17/93,167.64
  6. Step 6: Final answer
    x = 118,152.29

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.