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Finding the Fourth Proportional to 116,663.30, 174,800.55 and 109,664.90

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Solution

The fourth proportional to 116,663.30, 174,800.55 and 109,664.90 is: 164,314.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,663.30 : 174,800.55 = 109,664.90 : x
  2. Step 2: Convert to fraction form
    116,663.30/174,800.55 = 109,664.90/x
  3. Step 3: Cross multiply
    116,663.30x = 174,800.55 × 109,664.90
  4. Step 4: Simplify right side
    116,663.30x = 19,169,484,835.70
  5. Step 5: Solve for x
    x = 19,169,484,835.70/116,663.30
  6. Step 6: Final answer
    x = 164,314.61

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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.