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Finding the Fourth Proportional to 116,678.37, 174,973.77 and 92,009.01

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Solution

The fourth proportional to 116,678.37, 174,973.77 and 92,009.01 is: 137,978.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,678.37 : 174,973.77 = 92,009.01 : x
  2. Step 2: Convert to fraction form
    116,678.37/174,973.77 = 92,009.01/x
  3. Step 3: Cross multiply
    116,678.37x = 174,973.77 × 92,009.01
  4. Step 4: Simplify right side
    116,678.37x = 16,099,163,353.67
  5. Step 5: Solve for x
    x = 16,099,163,353.67/116,678.37
  6. Step 6: Final answer
    x = 137,978.99

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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.