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Finding the Fourth Proportional to 235,809.30, 353,491.59 and 117,368.67

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Solution

The fourth proportional to 235,809.30, 353,491.59 and 117,368.67 is: 175,942.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,809.30 : 353,491.59 = 117,368.67 : x
  2. Step 2: Convert to fraction form
    235,809.30/353,491.59 = 117,368.67/x
  3. Step 3: Cross multiply
    235,809.30x = 353,491.59 × 117,368.67
  4. Step 4: Simplify right side
    235,809.30x = 41,488,837,774.49
  5. Step 5: Solve for x
    x = 41,488,837,774.49/235,809.30
  6. Step 6: Final answer
    x = 175,942.33

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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.