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Finding the Fourth Proportional to 170,132.52, 254,673.90 and 155,617.32

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Solution

The fourth proportional to 170,132.52, 254,673.90 and 155,617.32 is: 232,945.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,132.52 : 254,673.90 = 155,617.32 : x
  2. Step 2: Convert to fraction form
    170,132.52/254,673.90 = 155,617.32/x
  3. Step 3: Cross multiply
    170,132.52x = 254,673.90 × 155,617.32
  4. Step 4: Simplify right side
    170,132.52x = 39,631,669,791.95
  5. Step 5: Solve for x
    x = 39,631,669,791.95/170,132.52
  6. Step 6: Final answer
    x = 232,945.88

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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.