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Finding the Fourth Proportional to 237,329.84, 355,949.39 and 71,117.84

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Solution

The fourth proportional to 237,329.84, 355,949.39 and 71,117.84 is: 106,663.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,329.84 : 355,949.39 = 71,117.84 : x
  2. Step 2: Convert to fraction form
    237,329.84/355,949.39 = 71,117.84/x
  3. Step 3: Cross multiply
    237,329.84x = 355,949.39 × 71,117.84
  4. Step 4: Simplify right side
    237,329.84x = 25,314,351,766.12
  5. Step 5: Solve for x
    x = 25,314,351,766.12/237,329.84
  6. Step 6: Final answer
    x = 106,663.16

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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.