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Finding the Fourth Proportional to 296,996.97, 445,539.90 and 107,501.67

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Solution

The fourth proportional to 296,996.97, 445,539.90 and 107,501.67 is: 161,268.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,996.97 : 445,539.90 = 107,501.67 : x
  2. Step 2: Convert to fraction form
    296,996.97/445,539.90 = 107,501.67/x
  3. Step 3: Cross multiply
    296,996.97x = 445,539.90 × 107,501.67
  4. Step 4: Simplify right side
    296,996.97x = 47,896,283,301.63
  5. Step 5: Solve for x
    x = 47,896,283,301.63/296,996.97
  6. Step 6: Final answer
    x = 161,268.59

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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.