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Finding the Fourth Proportional to 242,262.61, 363,418.14 and 92,628.79

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Solution

The fourth proportional to 242,262.61, 363,418.14 and 92,628.79 is: 138,952.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,262.61 : 363,418.14 = 92,628.79 : x
  2. Step 2: Convert to fraction form
    242,262.61/363,418.14 = 92,628.79/x
  3. Step 3: Cross multiply
    242,262.61x = 363,418.14 × 92,628.79
  4. Step 4: Simplify right side
    242,262.61x = 33,662,982,572.25
  5. Step 5: Solve for x
    x = 33,662,982,572.25/242,262.61
  6. Step 6: Final answer
    x = 138,952.45

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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.