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Finding the Fourth Proportional to 133,990.71, 184,912.38 and 73,563.90

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Solution

The fourth proportional to 133,990.71, 184,912.38 and 73,563.90 is: 101,521.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,990.71 : 184,912.38 = 73,563.90 : x
  2. Step 2: Convert to fraction form
    133,990.71/184,912.38 = 73,563.90/x
  3. Step 3: Cross multiply
    133,990.71x = 184,912.38 × 73,563.90
  4. Step 4: Simplify right side
    133,990.71x = 13,602,875,831.08
  5. Step 5: Solve for x
    x = 13,602,875,831.08/133,990.71
  6. Step 6: Final answer
    x = 101,521.04

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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.