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Finding the Fourth Proportional to 242,615.79, 364,036.41 and 92,806.56

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Solution

The fourth proportional to 242,615.79, 364,036.41 and 92,806.56 is: 139,252.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,615.79 : 364,036.41 = 92,806.56 : x
  2. Step 2: Convert to fraction form
    242,615.79/364,036.41 = 92,806.56/x
  3. Step 3: Cross multiply
    242,615.79x = 364,036.41 × 92,806.56
  4. Step 4: Simplify right side
    242,615.79x = 33,784,966,926.85
  5. Step 5: Solve for x
    x = 33,784,966,926.85/242,615.79
  6. Step 6: Final answer
    x = 139,252.96

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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.