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Finding the Fourth Proportional to 219,730.01, 329,626.60 and 67,938.93

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Solution

The fourth proportional to 219,730.01, 329,626.60 and 67,938.93 is: 101,918.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,730.01 : 329,626.60 = 67,938.93 : x
  2. Step 2: Convert to fraction form
    219,730.01/329,626.60 = 67,938.93/x
  3. Step 3: Cross multiply
    219,730.01x = 329,626.60 × 67,938.93
  4. Step 4: Simplify right side
    219,730.01x = 22,394,477,352.36
  5. Step 5: Solve for x
    x = 22,394,477,352.36/219,730.01
  6. Step 6: Final answer
    x = 101,918.15

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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.