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Finding the Fourth Proportional to 116,967.62, 161,414.72 and 63,252.51

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Solution

The fourth proportional to 116,967.62, 161,414.72 and 63,252.51 is: 87,288.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,967.62 : 161,414.72 = 63,252.51 : x
  2. Step 2: Convert to fraction form
    116,967.62/161,414.72 = 63,252.51/x
  3. Step 3: Cross multiply
    116,967.62x = 161,414.72 × 63,252.51
  4. Step 4: Simplify right side
    116,967.62x = 10,209,885,506.58
  5. Step 5: Solve for x
    x = 10,209,885,506.58/116,967.62
  6. Step 6: Final answer
    x = 87,288.13

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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.