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Finding the Fourth Proportional to 219,854.40, 329,522.40 and 114,619.20

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Solution

The fourth proportional to 219,854.40, 329,522.40 and 114,619.20 is: 171,793.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,854.40 : 329,522.40 = 114,619.20 : x
  2. Step 2: Convert to fraction form
    219,854.40/329,522.40 = 114,619.20/x
  3. Step 3: Cross multiply
    219,854.40x = 329,522.40 × 114,619.20
  4. Step 4: Simplify right side
    219,854.40x = 37,769,593,870.08
  5. Step 5: Solve for x
    x = 37,769,593,870.08/219,854.40
  6. Step 6: Final answer
    x = 171,793.67

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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.