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Finding the Fourth Proportional to 94,512, 141,791.04 and 28,848

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Solution

The fourth proportional to 94,512, 141,791.04 and 28,848 is: 43,279.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,512 : 141,791.04 = 28,848 : x
  2. Step 2: Convert to fraction form
    94,512/141,791.04 = 28,848/x
  3. Step 3: Cross multiply
    94,512x = 141,791.04 × 28,848
  4. Step 4: Simplify right side
    94,512x = 4,090,387,921.92
  5. Step 5: Solve for x
    x = 4,090,387,921.92/94,512
  6. Step 6: Final answer
    x = 43,279.03

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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.