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Finding the Fourth Proportional to 119,967.53, 179,990.15 and 35,728.38

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Solution

The fourth proportional to 119,967.53, 179,990.15 and 35,728.38 is: 53,604.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,967.53 : 179,990.15 = 35,728.38 : x
  2. Step 2: Convert to fraction form
    119,967.53/179,990.15 = 35,728.38/x
  3. Step 3: Cross multiply
    119,967.53x = 179,990.15 × 35,728.38
  4. Step 4: Simplify right side
    119,967.53x = 6,430,756,296.82
  5. Step 5: Solve for x
    x = 6,430,756,296.82/119,967.53
  6. Step 6: Final answer
    x = 53,604.14

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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.