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Finding the Fourth Proportional to 177,473.52, 266,202.72 and 72,294.48

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Solution

The fourth proportional to 177,473.52, 266,202.72 and 72,294.48 is: 108,438.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,473.52 : 266,202.72 = 72,294.48 : x
  2. Step 2: Convert to fraction form
    177,473.52/266,202.72 = 72,294.48/x
  3. Step 3: Cross multiply
    177,473.52x = 266,202.72 × 72,294.48
  4. Step 4: Simplify right side
    177,473.52x = 19,244,987,216.99
  5. Step 5: Solve for x
    x = 19,244,987,216.99/177,473.52
  6. Step 6: Final answer
    x = 108,438.64

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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.