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Finding the Fourth Proportional to 242,989.35, 364,482.46 and 82,988.09

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Solution

The fourth proportional to 242,989.35, 364,482.46 and 82,988.09 is: 124,481.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,989.35 : 364,482.46 = 82,988.09 : x
  2. Step 2: Convert to fraction form
    242,989.35/364,482.46 = 82,988.09/x
  3. Step 3: Cross multiply
    242,989.35x = 364,482.46 × 82,988.09
  4. Step 4: Simplify right side
    242,989.35x = 30,247,703,193.90
  5. Step 5: Solve for x
    x = 30,247,703,193.90/242,989.35
  6. Step 6: Final answer
    x = 124,481.60

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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.