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Finding the Fourth Proportional to 161,134.62, 241,472.79 and 118,680.90

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Solution

The fourth proportional to 161,134.62, 241,472.79 and 118,680.90 is: 177,852.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,134.62 : 241,472.79 = 118,680.90 : x
  2. Step 2: Convert to fraction form
    161,134.62/241,472.79 = 118,680.90/x
  3. Step 3: Cross multiply
    161,134.62x = 241,472.79 × 118,680.90
  4. Step 4: Simplify right side
    161,134.62x = 28,658,208,042.71
  5. Step 5: Solve for x
    x = 28,658,208,042.71/161,134.62
  6. Step 6: Final answer
    x = 177,852.58

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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.