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Finding the Fourth Proportional to 116,485.34, 174,699.11 and 49,917.92

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Solution

The fourth proportional to 116,485.34, 174,699.11 and 49,917.92 is: 74,864.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,485.34 : 174,699.11 = 49,917.92 : x
  2. Step 2: Convert to fraction form
    116,485.34/174,699.11 = 49,917.92/x
  3. Step 3: Cross multiply
    116,485.34x = 174,699.11 × 49,917.92
  4. Step 4: Simplify right side
    116,485.34x = 8,720,615,448.35
  5. Step 5: Solve for x
    x = 8,720,615,448.35/116,485.34
  6. Step 6: Final answer
    x = 74,864.49

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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.