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Finding the Fourth Proportional to 172,173.46, 258,112.27 and 59,839.09

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Solution

The fourth proportional to 172,173.46, 258,112.27 and 59,839.09 is: 89,707.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,173.46 : 258,112.27 = 59,839.09 : x
  2. Step 2: Convert to fraction form
    172,173.46/258,112.27 = 59,839.09/x
  3. Step 3: Cross multiply
    172,173.46x = 258,112.27 × 59,839.09
  4. Step 4: Simplify right side
    172,173.46x = 15,445,203,354.63
  5. Step 5: Solve for x
    x = 15,445,203,354.63/172,173.46
  6. Step 6: Final answer
    x = 89,707.23

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1.5x scale

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.