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Finding the Fourth Proportional to 237,081.69, 355,569.30 and 68,564.43

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Solution

The fourth proportional to 237,081.69, 355,569.30 and 68,564.43 is: 102,831.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,081.69 : 355,569.30 = 68,564.43 : x
  2. Step 2: Convert to fraction form
    237,081.69/355,569.30 = 68,564.43/x
  3. Step 3: Cross multiply
    237,081.69x = 355,569.30 × 68,564.43
  4. Step 4: Simplify right side
    237,081.69x = 24,379,406,380.00
  5. Step 5: Solve for x
    x = 24,379,406,380.00/237,081.69
  6. Step 6: Final answer
    x = 102,831.25

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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.