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Finding the Fourth Proportional to 155,965.80, 233,511.30 and 151,591.80

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Solution

The fourth proportional to 155,965.80, 233,511.30 and 151,591.80 is: 226,962.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,965.80 : 233,511.30 = 151,591.80 : x
  2. Step 2: Convert to fraction form
    155,965.80/233,511.30 = 151,591.80/x
  3. Step 3: Cross multiply
    155,965.80x = 233,511.30 × 151,591.80
  4. Step 4: Simplify right side
    155,965.80x = 35,398,398,287.34
  5. Step 5: Solve for x
    x = 35,398,398,287.34/155,965.80
  6. Step 6: Final answer
    x = 226,962.57

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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.