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Finding the Fourth Proportional to 111,259.48, 166,889.18 and 73,892.51

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Solution

The fourth proportional to 111,259.48, 166,889.18 and 73,892.51 is: 110,838.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,259.48 : 166,889.18 = 73,892.51 : x
  2. Step 2: Convert to fraction form
    111,259.48/166,889.18 = 73,892.51/x
  3. Step 3: Cross multiply
    111,259.48x = 166,889.18 × 73,892.51
  4. Step 4: Simplify right side
    111,259.48x = 12,331,859,198.13
  5. Step 5: Solve for x
    x = 12,331,859,198.13/111,259.48
  6. Step 6: Final answer
    x = 110,838.73

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1.5x scale

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.