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Finding the Fourth Proportional to 116,967.85, 161,416.94 and 63,253.91

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Solution

The fourth proportional to 116,967.85, 161,416.94 and 63,253.91 is: 87,291.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,967.85 : 161,416.94 = 63,253.91 : x
  2. Step 2: Convert to fraction form
    116,967.85/161,416.94 = 63,253.91/x
  3. Step 3: Cross multiply
    116,967.85x = 161,416.94 × 63,253.91
  4. Step 4: Simplify right side
    116,967.85x = 10,210,252,682.51
  5. Step 5: Solve for x
    x = 10,210,252,682.51/116,967.85
  6. Step 6: Final answer
    x = 87,291.11

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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.