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Finding the Fourth Proportional to 242,699.45, 364,213.19 and 84,929.27

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Solution

The fourth proportional to 242,699.45, 364,213.19 and 84,929.27 is: 127,451.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,699.45 : 364,213.19 = 84,929.27 : x
  2. Step 2: Convert to fraction form
    242,699.45/364,213.19 = 84,929.27/x
  3. Step 3: Cross multiply
    242,699.45x = 364,213.19 × 84,929.27
  4. Step 4: Simplify right side
    242,699.45x = 30,932,358,742.33
  5. Step 5: Solve for x
    x = 30,932,358,742.33/242,699.45
  6. Step 6: Final answer
    x = 127,451.30

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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.