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Finding the Fourth Proportional to 170,282.80, 254,986.80 and 134,999.20

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Solution

The fourth proportional to 170,282.80, 254,986.80 and 134,999.20 is: 202,152.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,282.80 : 254,986.80 = 134,999.20 : x
  2. Step 2: Convert to fraction form
    170,282.80/254,986.80 = 134,999.20/x
  3. Step 3: Cross multiply
    170,282.80x = 254,986.80 × 134,999.20
  4. Step 4: Simplify right side
    170,282.80x = 34,423,014,010.56
  5. Step 5: Solve for x
    x = 34,423,014,010.56/170,282.80
  6. Step 6: Final answer
    x = 202,152.03

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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.