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Finding the Fourth Proportional to 235,809.49, 353,491.89 and 117,368.86

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Solution

The fourth proportional to 235,809.49, 353,491.89 and 117,368.86 is: 175,942.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,809.49 : 353,491.89 = 117,368.86 : x
  2. Step 2: Convert to fraction form
    235,809.49/353,491.89 = 117,368.86/x
  3. Step 3: Cross multiply
    235,809.49x = 353,491.89 × 117,368.86
  4. Step 4: Simplify right side
    235,809.49x = 41,488,938,824.68
  5. Step 5: Solve for x
    x = 41,488,938,824.68/235,809.49
  6. Step 6: Final answer
    x = 175,942.62

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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.