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Finding the Fourth Proportional to 160,665.68, 241,148.02 and 81,838.92

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Solution

The fourth proportional to 160,665.68, 241,148.02 and 81,838.92 is: 122,834.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,665.68 : 241,148.02 = 81,838.92 : x
  2. Step 2: Convert to fraction form
    160,665.68/241,148.02 = 81,838.92/x
  3. Step 3: Cross multiply
    160,665.68x = 241,148.02 × 81,838.92
  4. Step 4: Simplify right side
    160,665.68x = 19,735,293,516.94
  5. Step 5: Solve for x
    x = 19,735,293,516.94/160,665.68
  6. Step 6: Final answer
    x = 122,834.53

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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.