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Finding the Fourth Proportional to 242,751.17, 364,126.76 and 84,942.72

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Solution

The fourth proportional to 242,751.17, 364,126.76 and 84,942.72 is: 127,414.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,751.17 : 364,126.76 = 84,942.72 : x
  2. Step 2: Convert to fraction form
    242,751.17/364,126.76 = 84,942.72/x
  3. Step 3: Cross multiply
    242,751.17x = 364,126.76 × 84,942.72
  4. Step 4: Simplify right side
    242,751.17x = 30,929,917,419.19
  5. Step 5: Solve for x
    x = 30,929,917,419.19/242,751.17
  6. Step 6: Final answer
    x = 127,414.08

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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.