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Finding the Fourth Proportional to 219,483.17, 329,224.65 and 61,711.62

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Solution

The fourth proportional to 219,483.17, 329,224.65 and 61,711.62 is: 92,567.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,483.17 : 329,224.65 = 61,711.62 : x
  2. Step 2: Convert to fraction form
    219,483.17/329,224.65 = 61,711.62/x
  3. Step 3: Cross multiply
    219,483.17x = 329,224.65 × 61,711.62
  4. Step 4: Simplify right side
    219,483.17x = 20,316,987,228.44
  5. Step 5: Solve for x
    x = 20,316,987,228.44/219,483.17
  6. Step 6: Final answer
    x = 92,567.40

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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.