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Finding the Fourth Proportional to 235,280.80, 352,921.20 and 94,967.20

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Solution

The fourth proportional to 235,280.80, 352,921.20 and 94,967.20 is: 142,450.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,280.80 : 352,921.20 = 94,967.20 : x
  2. Step 2: Convert to fraction form
    235,280.80/352,921.20 = 94,967.20/x
  3. Step 3: Cross multiply
    235,280.80x = 352,921.20 × 94,967.20
  4. Step 4: Simplify right side
    235,280.80x = 33,515,938,184.64
  5. Step 5: Solve for x
    x = 33,515,938,184.64/235,280.80
  6. Step 6: Final answer
    x = 142,450.80

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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.