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Finding the Fourth Proportional to 235,280.65, 352,920.14 and 66,801.00

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Solution

The fourth proportional to 235,280.65, 352,920.14 and 66,801.00 is: 100,201.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,280.65 : 352,920.14 = 66,801.00 : x
  2. Step 2: Convert to fraction form
    235,280.65/352,920.14 = 66,801.00/x
  3. Step 3: Cross multiply
    235,280.65x = 352,920.14 × 66,801.00
  4. Step 4: Simplify right side
    235,280.65x = 23,575,419,512.09
  5. Step 5: Solve for x
    x = 23,575,419,512.09/235,280.65
  6. Step 6: Final answer
    x = 100,201.27

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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.