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Finding the Fourth Proportional to 116,964.08, 161,410.31 and 63,248.96

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Solution

The fourth proportional to 116,964.08, 161,410.31 and 63,248.96 is: 87,283.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,964.08 : 161,410.31 = 63,248.96 : x
  2. Step 2: Convert to fraction form
    116,964.08/161,410.31 = 63,248.96/x
  3. Step 3: Cross multiply
    116,964.08x = 161,410.31 × 63,248.96
  4. Step 4: Simplify right side
    116,964.08x = 10,209,033,117.48
  5. Step 5: Solve for x
    x = 10,209,033,117.48/116,964.08
  6. Step 6: Final answer
    x = 87,283.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.