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Finding the Fourth Proportional to 133,055.50, 183,616.84 and 73,439.50

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Solution

The fourth proportional to 133,055.50, 183,616.84 and 73,439.50 is: 101,346.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,055.50 : 183,616.84 = 73,439.50 : x
  2. Step 2: Convert to fraction form
    133,055.50/183,616.84 = 73,439.50/x
  3. Step 3: Cross multiply
    133,055.50x = 183,616.84 × 73,439.50
  4. Step 4: Simplify right side
    133,055.50x = 13,484,728,921.18
  5. Step 5: Solve for x
    x = 13,484,728,921.18/133,055.50
  6. Step 6: Final answer
    x = 101,346.65

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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.