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Finding the Fourth Proportional to 242,810.40, 364,042.80 and 92,992.80

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Solution

The fourth proportional to 242,810.40, 364,042.80 and 92,992.80 is: 139,423.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,810.40 : 364,042.80 = 92,992.80 : x
  2. Step 2: Convert to fraction form
    242,810.40/364,042.80 = 92,992.80/x
  3. Step 3: Cross multiply
    242,810.40x = 364,042.80 × 92,992.80
  4. Step 4: Simplify right side
    242,810.40x = 33,853,359,291.84
  5. Step 5: Solve for x
    x = 33,853,359,291.84/242,810.40
  6. Step 6: Final answer
    x = 139,423.02

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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.