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Finding the Fourth Proportional to 172,480.56, 238,056.02 and 97,029.06

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Solution

The fourth proportional to 172,480.56, 238,056.02 and 97,029.06 is: 133,918.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,480.56 : 238,056.02 = 97,029.06 : x
  2. Step 2: Convert to fraction form
    172,480.56/238,056.02 = 97,029.06/x
  3. Step 3: Cross multiply
    172,480.56x = 238,056.02 × 97,029.06
  4. Step 4: Simplify right side
    172,480.56x = 23,098,351,847.94
  5. Step 5: Solve for x
    x = 23,098,351,847.94/172,480.56
  6. Step 6: Final answer
    x = 133,918.58

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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.