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Finding the Fourth Proportional to 219,624.10, 329,824.95 and 169,825.30

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Solution

The fourth proportional to 219,624.10, 329,824.95 and 169,825.30 is: 255,038.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,624.10 : 329,824.95 = 169,825.30 : x
  2. Step 2: Convert to fraction form
    219,624.10/329,824.95 = 169,825.30/x
  3. Step 3: Cross multiply
    219,624.10x = 329,824.95 × 169,825.30
  4. Step 4: Simplify right side
    219,624.10x = 56,012,621,081.24
  5. Step 5: Solve for x
    x = 56,012,621,081.24/219,624.10
  6. Step 6: Final answer
    x = 255,038.59

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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.