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Finding the Fourth Proportional to 242,606.34, 363,661.65 and 84,704.94

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Solution

The fourth proportional to 242,606.34, 363,661.65 and 84,704.94 is: 126,970.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,606.34 : 363,661.65 = 84,704.94 : x
  2. Step 2: Convert to fraction form
    242,606.34/363,661.65 = 84,704.94/x
  3. Step 3: Cross multiply
    242,606.34x = 363,661.65 × 84,704.94
  4. Step 4: Simplify right side
    242,606.34x = 30,803,938,243.55
  5. Step 5: Solve for x
    x = 30,803,938,243.55/242,606.34
  6. Step 6: Final answer
    x = 126,970.87

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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.