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Finding the Fourth Proportional to 216,902.43, 325,352.43 and 144,702.54

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Solution

The fourth proportional to 216,902.43, 325,352.43 and 144,702.54 is: 217,053.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,902.43 : 325,352.43 = 144,702.54 : x
  2. Step 2: Convert to fraction form
    216,902.43/325,352.43 = 144,702.54/x
  3. Step 3: Cross multiply
    216,902.43x = 325,352.43 × 144,702.54
  4. Step 4: Simplify right side
    216,902.43x = 47,079,323,016.17
  5. Step 5: Solve for x
    x = 47,079,323,016.17/216,902.43
  6. Step 6: Final answer
    x = 217,053.00

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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.