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Finding the Fourth Proportional to 177,804.52, 266,707.01 and 72,623.52

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Solution

The fourth proportional to 177,804.52, 266,707.01 and 72,623.52 is: 108,935.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,804.52 : 266,707.01 = 72,623.52 : x
  2. Step 2: Convert to fraction form
    177,804.52/266,707.01 = 72,623.52/x
  3. Step 3: Cross multiply
    177,804.52x = 266,707.01 × 72,623.52
  4. Step 4: Simplify right side
    177,804.52x = 19,369,202,056.43
  5. Step 5: Solve for x
    x = 19,369,202,056.43/177,804.52
  6. Step 6: Final answer
    x = 108,935.38

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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.