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Finding the Fourth Proportional to 170,470.20, 255,705.30 and 167,554.20

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Solution

The fourth proportional to 170,470.20, 255,705.30 and 167,554.20 is: 251,331.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,470.20 : 255,705.30 = 167,554.20 : x
  2. Step 2: Convert to fraction form
    170,470.20/255,705.30 = 167,554.20/x
  3. Step 3: Cross multiply
    170,470.20x = 255,705.30 × 167,554.20
  4. Step 4: Simplify right side
    170,470.20x = 42,844,496,977.26
  5. Step 5: Solve for x
    x = 42,844,496,977.26/170,470.20
  6. Step 6: Final answer
    x = 251,331.30

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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.