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Finding the Fourth Proportional to 242,908.20, 364,103.10 and 93,090.60

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Solution

The fourth proportional to 242,908.20, 364,103.10 and 93,090.60 is: 139,536.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,908.20 : 364,103.10 = 93,090.60 : x
  2. Step 2: Convert to fraction form
    242,908.20/364,103.10 = 93,090.60/x
  3. Step 3: Cross multiply
    242,908.20x = 364,103.10 × 93,090.60
  4. Step 4: Simplify right side
    242,908.20x = 33,894,576,040.86
  5. Step 5: Solve for x
    x = 33,894,576,040.86/242,908.20
  6. Step 6: Final answer
    x = 139,536.57

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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.