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Finding the Fourth Proportional to 133,056.50, 183,618.22 and 73,440.50

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Solution

The fourth proportional to 133,056.50, 183,618.22 and 73,440.50 is: 101,348.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,056.50 : 183,618.22 = 73,440.50 : x
  2. Step 2: Convert to fraction form
    133,056.50/183,618.22 = 73,440.50/x
  3. Step 3: Cross multiply
    133,056.50x = 183,618.22 × 73,440.50
  4. Step 4: Simplify right side
    133,056.50x = 13,485,013,885.91
  5. Step 5: Solve for x
    x = 13,485,013,885.91/133,056.50
  6. Step 6: Final answer
    x = 101,348.03

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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.