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Finding the Fourth Proportional to 235,615.59, 353,456.23 and 75,696.38

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Solution

The fourth proportional to 235,615.59, 353,456.23 and 75,696.38 is: 113,555.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,615.59 : 353,456.23 = 75,696.38 : x
  2. Step 2: Convert to fraction form
    235,615.59/353,456.23 = 75,696.38/x
  3. Step 3: Cross multiply
    235,615.59x = 353,456.23 × 75,696.38
  4. Step 4: Simplify right side
    235,615.59x = 26,755,355,332.17
  5. Step 5: Solve for x
    x = 26,755,355,332.17/235,615.59
  6. Step 6: Final answer
    x = 113,555.12

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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.