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Finding the Fourth Proportional to 296,791.64, 445,229.04 and 97,127.72

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Solution

The fourth proportional to 296,791.64, 445,229.04 and 97,127.72 is: 145,705.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,791.64 : 445,229.04 = 97,127.72 : x
  2. Step 2: Convert to fraction form
    296,791.64/445,229.04 = 97,127.72/x
  3. Step 3: Cross multiply
    296,791.64x = 445,229.04 × 97,127.72
  4. Step 4: Simplify right side
    296,791.64x = 43,244,081,532.99
  5. Step 5: Solve for x
    x = 43,244,081,532.99/296,791.64
  6. Step 6: Final answer
    x = 145,705.19

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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.