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Finding the Fourth Proportional to 185,010.80, 277,394.70 and 72,623.30

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Solution

The fourth proportional to 185,010.80, 277,394.70 and 72,623.30 is: 108,887.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,010.80 : 277,394.70 = 72,623.30 : x
  2. Step 2: Convert to fraction form
    185,010.80/277,394.70 = 72,623.30/x
  3. Step 3: Cross multiply
    185,010.80x = 277,394.70 × 72,623.30
  4. Step 4: Simplify right side
    185,010.80x = 20,145,318,516.51
  5. Step 5: Solve for x
    x = 20,145,318,516.51/185,010.80
  6. Step 6: Final answer
    x = 108,887.26

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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.