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Finding the Fourth Proportional to 172,914.75, 238,626 and 97,463.25

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Solution

The fourth proportional to 172,914.75, 238,626 and 97,463.25 is: 134,501.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,914.75 : 238,626 = 97,463.25 : x
  2. Step 2: Convert to fraction form
    172,914.75/238,626 = 97,463.25/x
  3. Step 3: Cross multiply
    172,914.75x = 238,626 × 97,463.25
  4. Step 4: Simplify right side
    172,914.75x = 23,257,265,494.50
  5. Step 5: Solve for x
    x = 23,257,265,494.50/172,914.75
  6. Step 6: Final answer
    x = 134,501.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.