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Finding the Fourth Proportional to 160,104.46, 239,965.83 and 74,600.62

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Solution

The fourth proportional to 160,104.46, 239,965.83 and 74,600.62 is: 111,812.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,104.46 : 239,965.83 = 74,600.62 : x
  2. Step 2: Convert to fraction form
    160,104.46/239,965.83 = 74,600.62/x
  3. Step 3: Cross multiply
    160,104.46x = 239,965.83 × 74,600.62
  4. Step 4: Simplify right side
    160,104.46x = 17,901,599,696.81
  5. Step 5: Solve for x
    x = 17,901,599,696.81/160,104.46
  6. Step 6: Final answer
    x = 111,812.00

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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.