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Finding the Fourth Proportional to 96,609.80, 144,986.70 and 49,838.60

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Solution

The fourth proportional to 96,609.80, 144,986.70 and 49,838.60 is: 74,795.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,609.80 : 144,986.70 = 49,838.60 : x
  2. Step 2: Convert to fraction form
    96,609.80/144,986.70 = 49,838.60/x
  3. Step 3: Cross multiply
    96,609.80x = 144,986.70 × 49,838.60
  4. Step 4: Simplify right side
    96,609.80x = 7,225,934,146.62
  5. Step 5: Solve for x
    x = 7,225,934,146.62/96,609.80
  6. Step 6: Final answer
    x = 74,795.04

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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.