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Finding the Fourth Proportional to 176,662.28, 243,831.64 and 108,679.38

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Solution

The fourth proportional to 176,662.28, 243,831.64 and 108,679.38 is: 150,000.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,662.28 : 243,831.64 = 108,679.38 : x
  2. Step 2: Convert to fraction form
    176,662.28/243,831.64 = 108,679.38/x
  3. Step 3: Cross multiply
    176,662.28x = 243,831.64 × 108,679.38
  4. Step 4: Simplify right side
    176,662.28x = 26,499,471,459.58
  5. Step 5: Solve for x
    x = 26,499,471,459.58/176,662.28
  6. Step 6: Final answer
    x = 150,000.73

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1.5x scale

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.