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Finding the Fourth Proportional to 219,882.90, 329,824.35 and 149,898.90

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Solution

The fourth proportional to 219,882.90, 329,824.35 and 149,898.90 is: 224,848.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,882.90 : 329,824.35 = 149,898.90 : x
  2. Step 2: Convert to fraction form
    219,882.90/329,824.35 = 149,898.90/x
  3. Step 3: Cross multiply
    219,882.90x = 329,824.35 × 149,898.90
  4. Step 4: Simplify right side
    219,882.90x = 49,440,307,258.22
  5. Step 5: Solve for x
    x = 49,440,307,258.22/219,882.90
  6. Step 6: Final answer
    x = 224,848.35

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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.