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Finding the Fourth Proportional to 219,771.76, 329,674.04 and 93,397.80

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Solution

The fourth proportional to 219,771.76, 329,674.04 and 93,397.80 is: 140,103.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,771.76 : 329,674.04 = 93,397.80 : x
  2. Step 2: Convert to fraction form
    219,771.76/329,674.04 = 93,397.80/x
  3. Step 3: Cross multiply
    219,771.76x = 329,674.04 × 93,397.80
  4. Step 4: Simplify right side
    219,771.76x = 30,790,830,053.11
  5. Step 5: Solve for x
    x = 30,790,830,053.11/219,771.76
  6. Step 6: Final answer
    x = 140,103.67

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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.