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Finding the Fourth Proportional to 242,472.72, 334,496.44 and 188,387.62

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Solution

The fourth proportional to 242,472.72, 334,496.44 and 188,387.62 is: 259,884.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,472.72 : 334,496.44 = 188,387.62 : x
  2. Step 2: Convert to fraction form
    242,472.72/334,496.44 = 188,387.62/x
  3. Step 3: Cross multiply
    242,472.72x = 334,496.44 × 188,387.62
  4. Step 4: Simplify right side
    242,472.72x = 63,014,988,230.07
  5. Step 5: Solve for x
    x = 63,014,988,230.07/242,472.72
  6. Step 6: Final answer
    x = 259,884.86

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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.